function abrirNuevaVentana(pagina)
	{
		if (window.showModalDialog) 
		     {
				ventana=window.open(pagina,'Documento','');
				ventana.opener=self;
				if(! ventana)
				   { alert('Desactive el bloqueador de ventanas emergentes del navegador  para poder ver todas las opciones del stio.\n Para mayor informacion revise la seccion de Preguntas Frecuentes'); 
					  ventana = null; 
					 }
				else
				{
					fCerrar();
				}
			}
		else
		{
			window.location.href=pagina;
			window.opener=self;
		}
	}

function abrirPagina(pagina)
	{
	if (parent.area!=null)
		parent.area.location.href =pagina;
		else 
		{
		  var formulario=dameArea();
		  if (formulario!=null)
		         formulario.location.href =pagina;
		}
		
	}
	
function  abrirNuevaPagina(pagina)
	{
	var nombre='Documento';
	var pd=damePaginaDefault();
	var alto=pd.document.body.clientHeight-50;
	var ancho=pd.document.body.clientWidth-20;
	if (ancho>820) ancho=820;

	var estiloEx='height='+alto+'px,width='+ancho+'px,scrolling=1,resize=0';
	
	var nueva=true;
	var titulo='Formulario de captura';
	if (pagina.substr(0,19)=='AcercaDelPortal.htm')
	{
	   nombre='AcercaDelPortal';
	   estiloEx='height='+alto+'px,width=380px,scrolling=1,resize=0';
	   titulo='Acerca del portal';

	 }
	 
	 if (pagina.substr(0,26)=='FormularioISANInverso.aspx')
	{
	   nombre='CalculadoraISAN';
	   estiloEx='height=550px,width=465px,scrolling=1,resize=0';
	   titulo='Calculadora ISAN';

	 }
	 

	ventana=pd.dhtmlwindow.open(nombre, 'iframe', pagina, titulo, estiloEx )
	if(! ventana)
	{ 
	    alert('Desactive el bloqueador de ventanas emergentes del navegador  para poder ver todas las opciones del sitio.\n Para mayor informacion revise la seccion de Preguntas Frecuentes'); 
	    ventana = null; 
	}
    else
	{
	    ventana.show();
		ventana.focus();
		if (titulo=='Acerca del portal')
		    ventana.moveTo(0,'middle')
        else if (titulo=='Calculadora ISAN')
		    ventana.moveTo(0,0)
		else
		    ventana.moveTo('middle','middle');
	}
   }  
   
   function  abrirNuevoBrowser(pagina)
	{
	var estiloEx="height=600px,width=820px,toolbar=no,directories=no,status=no,continued from previous linemenubar=no,scrollbars=yes,resizable=yes ,modal=yes, dependent=yes";
	var titulo="Formulario de impresion";
			    ventana=window.open(pagina,'_new',estiloEx);
			    if (! ventana)
			     { alert('Desactive el bloqueador de ventanas emergentes del navegador  para poder ver todas las opciones del sitio.\n Para mayor informacion revise la seccion de Preguntas Frecuentes'); 
			       ventana = null; 
			     }
  }
	
function EvImageOverChange(name, imagen)
{
name.src = imagen;
}


function cerrarFrame()
  {
    var d=top.document.getElementById("Documento");
    try{   d.style.display="none";}catch(err){}
    
  }
  
function fCerrar()
  {
     fCerrar("Documento")
   /*var ventana=damePaginaDefault();
   var control=ventana.document.getElementById("Documento");
   control.hide();*/
  }
  
  function fCerrar(pagina)
  {
   var ventana=damePaginaDefault();
   var control=ventana.document.getElementById(pagina);
   control.hide();
  }

function fCerrarSi(pagina)
  {//cierra si esta en pop up si no abre pagina en area
   if (window.name=='area') 
      abrirPagina(pagina);
	else
	   window.close();
				
  }  
  
  function despliegaForm(formulario,cual,activo){
    var menu =formulario.document.getElementById(cual);
  	if (menu!=null)
  	    {
            if(activo)
			    menu.style.display = 'block';
			else
				menu.style.display = 'none';
		}
	}
			
 function despliega(cual){
			var menu =document.getElementById(cual);
			if (menu!=null)
			{
				if(menu.style.display == "none"){
				menu.style.display = "block";
				}
				else{
				menu.style.display = "none";
				}
				}
				}
  
  function dameElementById(formulario,nombre)
{
var elemento;
try
                {
                    elemento=formulario.document.getElementById(nombre);
                }
                catch(err)
                {
                   elemento=null;
                }
                return elemento;
}

function damePaginaDefault()
{

   var formulario =window;
   if (formulario.document.getElementById('frmDefault')==null)
   {
   
      formulario=window.parent.document.getElementById('frmDefault');

      if (formulario==null)
      {
         formulario=window.opener;
         if (formulario!=null)
         {
            while (formulario!=null && dameElementById(formulario,'frmDefault')==null && formulario!=formulario.opener) 
               formulario=formulario.opener;
            if (formulario==null)
            {
               formulario=window.opener;
			   while (formulario!=null && dameElementById(formulario,'frmDefault')==null && formulario!=formulario.parent) 
				  formulario=formulario.parent;
			}
		      
         }
         
       }
      
      
    else 
    {formulario=window.parent;
    while (formulario!=null && dameElementById(formulario,'frmDefault')==null && formulario!=formulario.parent) 
       formulario=formulario.parent;
       }
       }
     if (formulario==null || dameElementById(formulario,'frmDefault')==null)
        return null;
      else
        return formulario;
}



function dameArea()
{
   var formulario=window.parent.document.getElementById('frmDefault');

   if (formulario==null)
   {
      formulario=window.opener;
      if (formulario.area!=null)
         formulario=formulario.area;
      }
    else formulario=window.parent;
    //if (formulario.document.getElementById('frmDefault')==null) 
      // formulario=formulario.parent;
    return formulario;
}
  
function setUsuario(usuario,apellido)
{

   var formulario=damePaginaDefault();
   if (formulario!=null)
   {
   despliegaForm(formulario,'usu',usuario!='');
   despliegaForm(formulario,'divInicio',usuario=='');
   despliegaForm(formulario,'divCerrar',usuario!='');
   formulario.document.getElementById('lbUsuario').value=usuario;
   formulario.document.getElementById('lbUsuario2').value=apellido;
   }
}

function mensajeRedireccionar (texto, direccion)
     { alert(texto);
		window.location.href= direccion;
     } 
     
function quitarHijo(nomPadre,nomHijo)
{
   var padre=document.getElementById(nomPadre);
   var hijo=document.getElementById(nomHijo);
   padre.removeChild(hijo);
}

function quitaEncPie()
{
var control=document.getElementById('enc');
				var d=document.getElementById('penc');
				d.removeChild(control);
				control=document.getElementById('pie');
				d=document.getElementById('ppie');
				d.removeChild(control);
}     

function validaImg()
			{
			
			if (window.name!='') 
			{
				quitaEncPie();
			}
			};

function Imprimir()
    {
	    if (parent.frames.length > 0) 
		    {
				parent[0].print();
			}
		else
			{
				window.print()
			}
	};

function validaEnFrame()
    {
        if (damePaginaDefault()==null)
	            window.location.href= 'default.aspx?opcion='+window.location;
	}
	
function agregaControl(DivID,inHtml) //jalada de microsoft
{
  var d = document.getElementById(DivID);
  d.innerHTML = inHtml;
}
	
function autofitIframe(id){
    if (!window.opera && !document.mimeType && document.all && document.getElementById){
        parent.document.getElementById(id).style.height=this.document.body.offsetHeight-100+"px";
        }
    else if(document.getElementById) {
        parent.document.getElementById(id).style.height=this.document.body.scrollHeight-120+"px"
    }
} 

function existeAcrobat() //regresa 0 si no existe 1 si si existe para IE
{
var p;
try {
//p = new ActiveXObject('AcroExch.Document');
p=eval("new ActiveXObject('AcroPDF.PDF.1'); ");
}
catch (e) {
// active x object could not be created
return null;
}
if (p) return p;
}

function detectAcrobat()

{
var acrobat=new Object();

acrobat.installed=false;
acrobat.version='0.0';

if (navigator.plugins && navigator.plugins.length)
{
for ( var x = 0, l = navigator.plugins.length; x < l; ++x )
{
if (navigator.plugins[x].name.indexOf('Adobe Acrobat') != -1)
{
acrobat.version=parseFloat(navigator.plugins[x].description.split('Version ')[1]);

if (acrobat.version.toString().length == 1) acrobat.version+='.0';

acrobat.installed=true;
break;
}
}
}
else 
{
   acrobat.installed=existeAcrobat()!=null;
}
return acrobat.installed
}

// -------------------------------------------------------------------
// DHTML Window Widget- By Dynamic Drive, available at: http://www.dynamicdrive.com
// v1.0: Script created Feb 15th, 07'
// v1.01: Feb 21th, 07' (see changelog.txt)
// v1.02: March 26th, 07' (see changelog.txt)
// v1.03: May 5th, 07' (see changelog.txt)
// -------------------------------------------------------------------

var dhtmlwindow={
imagefiles:['imagenes/windowwidget/min.gif', 'imagenes/windowwidget/close.gif', 'imagenes/windowwidget/restore.gif', 'imagenes/windowwidget/resize.gif'], //Path to 4 images used by script, in that order
ajaxbustcache: true, //Bust caching when fetching a file via Ajax?

minimizeorder: 0,
tobjects: [], //object to contain references to dhtml window divs, for cleanup purposes

init:function(t){
	var domwindow=document.createElement("div") //create dhtml window div
	domwindow.id=t
	domwindow.className="dhtmlwindow"
	var domwindowdata=''
	domwindowdata='<div class="drag-handle">'
	domwindowdata+='DHTML Window <div class="drag-controls"><img src="'+this.imagefiles[1]+'" title="Close" /></div>'
	//<img src="'+this.imagefiles[0]+'" title="Minimize" />
	domwindowdata+='</div>'
	domwindowdata+='<div class="drag-contentarea"></div>'
	domwindowdata+='<div class="drag-statusarea"><div class="drag-resizearea" style="background: transparent url('+this.imagefiles[3]+') top right no-repeat;">&nbsp;</div></div>'
	domwindowdata+='</div>'
	domwindow.innerHTML=domwindowdata
	document.getElementById("dhtmlwindowholder").appendChild(domwindow)
	this.zIndexvalue=(this.zIndexvalue)? this.zIndexvalue+1 : 100 //z-index value for DHTML window: starts at 0, increments whenever a window has focus
	var t=document.getElementById(t)
	var divs=t.getElementsByTagName("div")
	for (var i=0; i<divs.length; i++){ //go through divs inside dhtml window and extract all those with class="drag-" prefix
		if (/drag-/.test(divs[i].className))
			t[divs[i].className.replace(/drag-/, "")]=divs[i] //take out the "drag-" prefix for shorter access by name
	}
	t.style.zIndex=this.zIndexvalue //set z-index of this dhtml window
	t.handle._parent=t //store back reference to dhtml window
	t.resizearea._parent=t //same
	t.controls._parent=t //same
	t.onclose=function(){return true} //custom event handler "onclose"
	t.onmousedown=function(){dhtmlwindow.zIndexvalue++; this.style.zIndex=dhtmlwindow.zIndexvalue} //Increase z-index of window when focus is on it
	t.handle.onmousedown=dhtmlwindow.setupdrag //set up drag behavior when mouse down on handle div
	t.resizearea.onmousedown=dhtmlwindow.setupdrag //set up drag behavior when mouse down on resize div
	t.controls.onclick=dhtmlwindow.enablecontrols
	t.show=function(){dhtmlwindow.show(this)} //public function for showing dhtml window
	t.hide=function(){dhtmlwindow.close(this)} //public function for hiding dhtml window
    t.close=function(){dhtmlwindow.close(this)} //public function for hiding dhtml window	
	t.setSize=function(w, h){dhtmlwindow.setSize(this, w, h)} //public function for setting window dimensions
	t.moveTo=function(x, y){dhtmlwindow.moveTo(this, x, y)} //public function for moving dhtml window (relative to viewpoint)
	t.isResize=function(bol){dhtmlwindow.isResize(this, bol)} //public function for specifying if window is resizable
	t.isScrolling=function(bol){dhtmlwindow.isScrolling(this, bol)} //public function for specifying if window content contains scrollbars
	t.load=function(contenttype, contentsource, title){dhtmlwindow.load(this, contenttype, contentsource, title)} //public function for loading content into window
	this.tobjects[this.tobjects.length]=t
	return t //return reference to dhtml window div
},

open:function(t, contenttype, contentsource, title, attr, recalonload){
	var d=dhtmlwindow //reference dhtml window object
	function getValue(Name){
		var config=new RegExp(Name+"=([^,]+)", "i") //get name/value config pair (ie: width=400px,)
		return (config.test(attr))? parseInt(RegExp.$1) : 0 //return value portion (int), or 0 (false) if none found
	}
	if (document.getElementById(t)==null) //if window doesn't exist yet, create it
		t=this.init(t) //return reference to dhtml window div
	else
		t=document.getElementById(t)
	t.setSize(getValue(("width")), (getValue("height"))) //Set dimensions of window
	var xpos=getValue("center")? "middle" : getValue("left") //Get x coord of window
	var ypos=getValue("center")? "middle" : getValue("top") //Get y coord of window
	//t.moveTo(xpos, ypos) //Position window
	if (typeof recalonload!="undefined" && recalonload=="recal" && this.scroll_top==0){ //reposition window when page fully loads with updated window viewpoints?
		if (window.attachEvent && !window.opera) //In IE, add another 400 milisecs on page load (viewpoint properties may return 0 b4 then)
			this.addEvent(window, function(){setTimeout(function(){t.moveTo(xpos, ypos)}, 400)}, "load")
		else
			this.addEvent(window, function(){t.moveTo(xpos, ypos)}, "load")
	}
	t.isResize(getValue("resize")) //Set whether window is resizable
	t.isScrolling(getValue("scrolling")) //Set whether window should contain scrollbars
	t.style.visibility="visible"
	t.style.display="block"
	t.contentarea.style.display="block"
	t.moveTo(xpos, ypos) //Position window
	t.load(contenttype, contentsource, title)
	if (t.state=="minimized" && t.controls.firstChild.title=="Restore"){ //If window exists and is currently minimized?
		t.controls.firstChild.setAttribute("src", dhtmlwindow.imagefiles[0]) //Change "restore" icon within window interface to "minimize" icon
		t.controls.firstChild.setAttribute("title", "Minimize")
		t.state="fullview" //indicate the state of the window as being "fullview"
	}
	return t
},

setSize:function(t, w, h){ //set window size (min is 150px wide by 100px tall)
	t.style.width=Math.max(parseInt(w), 150)+"px"
	t.contentarea.style.height=Math.max(parseInt(h), 100)+"px"
},

moveTo:function(t, x, y){ //move window. Position includes current viewpoint of document
	this.getviewpoint() //Get current viewpoint numbers
	t.style.left=(x=="middle")? this.scroll_left+(this.docwidth-t.offsetWidth)/2+"px" : this.scroll_left+parseInt(x)+"px"
	t.style.top=(y=="middle")? this.scroll_top+(this.docheight-t.offsetHeight)/2+"px" : this.scroll_top+parseInt(y)+"px"
},

isResize:function(t, bol){ //show or hide resize inteface (part of the status bar)
	t.statusarea.style.display=(bol)? "block" : "none"
	t.resizeBool=(bol)? 1 : 0
},

isScrolling:function(t, bol){ //set whether loaded content contains scrollbars
	t.contentarea.style.overflow=(bol)? "auto" : "hidden"
},

load:function(t, contenttype, contentsource, title){ //loads content into window plus set its title (3 content types: "inline", "iframe", or "ajax")
	var contenttype=contenttype.toLowerCase() //convert string to lower case
	if (typeof title!="undefined")
		t.handle.firstChild.nodeValue=title
	if (contenttype=="inline")
		t.contentarea.innerHTML=contentsource
	else if (contenttype=="div"){
		t.contentarea.innerHTML=document.getElementById(contentsource).innerHTML //Populate window with contents of specified div on page
		document.getElementById(contentsource).style.display="none" //hide that div
	}
	else if (contenttype=="iframe"){
		t.contentarea.style.overflow="hidden" //disable window scrollbars, as iframe already contains scrollbars
		if (!t.contentarea.firstChild || t.contentarea.firstChild.tagName!="IFRAME") //If iframe tag doesn't exist already, create it first
			t.contentarea.innerHTML='<iframe src="" style="margin:0; padding:0; width:100%; height: 100%" name="_iframe-'+t.id+'"></iframe>'
		window.frames["_iframe-"+t.id].location.replace(contentsource) //set location of iframe window to specified URL
		}
	else if (contenttype=="ajax"){
		this.ajax_connect(contentsource, t) //populate window with external contents fetched via Ajax
	}
	t.contentarea.datatype=contenttype //store contenttype of current window for future reference
},

setupdrag:function(e){
	var d=dhtmlwindow //reference dhtml window object
	var t=this._parent //reference dhtml window div
	d.etarget=this //remember div mouse is currently held down on ("handle" or "resize" div)
	var e=window.event || e
	d.initmousex=e.clientX //store x position of mouse onmousedown
	d.initmousey=e.clientY
	d.initx=parseInt(t.offsetLeft) //store offset x of window div onmousedown
	d.inity=parseInt(t.offsetTop)
	d.width=parseInt(t.offsetWidth) //store width of window div
	d.contentheight=parseInt(t.contentarea.offsetHeight) //store height of window div's content div
	if (t.contentarea.datatype=="iframe"){ //if content of this window div is "iframe"
		t.style.backgroundColor="#F8F8F8" //colorize and hide content div (while window is being dragged)
		t.contentarea.style.visibility="hidden"
	}
	document.onmousemove=d.getdistance //get distance travelled by mouse as it moves
	document.onmouseup=function(){
		if (t.contentarea.datatype=="iframe"){ //restore color and visibility of content div onmouseup
			t.contentarea.style.backgroundColor="white"
			t.contentarea.style.visibility="visible"
		}
		d.stop()
	}
	return false
},

getdistance:function(e){
	var d=dhtmlwindow
	var etarget=d.etarget
	var e=window.event || e
	d.distancex=e.clientX-d.initmousex //horizontal distance travelled relative to starting point
	d.distancey=e.clientY-d.initmousey
	if (etarget.className=="drag-handle") //if target element is "handle" div
		d.move(etarget._parent, e)
	else if (etarget.className=="drag-resizearea") //if target element is "resize" div
		d.resize(etarget._parent, e)
	return false //cancel default dragging behavior
},

getviewpoint:function(){ //get window viewpoint numbers
	var ie=document.all && !window.opera
	var domclientWidth=document.documentElement && parseInt(document.documentElement.clientWidth) || 100000 //Preliminary doc width in non IE browsers
	this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	this.scroll_top=(ie)? this.standardbody.scrollTop : window.pageYOffset
	this.scroll_left=(ie)? this.standardbody.scrollLeft : window.pageXOffset
	this.docwidth=(ie)? this.standardbody.clientWidth : (/Safari/i.test(navigator.userAgent))? window.innerWidth : Math.min(domclientWidth, window.innerWidth-16)
	this.docheight=(ie)? this.standardbody.clientHeight: window.innerHeight
},

rememberattrs:function(t){ //remember certain attributes of the window when it's minimized or closed, such as dimensions, position on page
	this.getviewpoint() //Get current window viewpoint numbers
	t.lastx=parseInt((t.style.left || t.offsetLeft))-dhtmlwindow.scroll_left //store last known x coord of window just before minimizing
	t.lasty=parseInt((t.style.top || t.offsetTop))-dhtmlwindow.scroll_top
	t.lastwidth=parseInt(t.style.width) //store last known width of window just before minimizing/ closing
},

move:function(t, e){
	t.style.left=dhtmlwindow.distancex+dhtmlwindow.initx+"px"
	t.style.top=dhtmlwindow.distancey+dhtmlwindow.inity+"px"
},

resize:function(t, e){
	t.style.width=Math.max(dhtmlwindow.width+dhtmlwindow.distancex, 150)+"px"
	t.contentarea.style.height=Math.max(dhtmlwindow.contentheight+dhtmlwindow.distancey, 100)+"px"
},

enablecontrols:function(e){
	var d=dhtmlwindow
	var sourceobj=window.event? window.event.srcElement : e.target //Get element within "handle" div mouse is currently on (the controls)
	if (/Minimize/i.test(sourceobj.getAttribute("title"))) //if this is the "minimize" control
		d.minimize(sourceobj, this._parent)
	else if (/Restore/i.test(sourceobj.getAttribute("title"))) //if this is the "restore" control
		d.restore(sourceobj, this._parent)
	else if (/Close/i.test(sourceobj.getAttribute("title"))) //if this is the "close" control
		d.close(this._parent)
	return false
},

minimize:function(button, t){
	dhtmlwindow.rememberattrs(t)
	button.setAttribute("src", dhtmlwindow.imagefiles[2])
	button.setAttribute("title", "Restore")
	t.state="minimized" //indicate the state of the window as being "minimized"
	t.contentarea.style.display="none"
	t.statusarea.style.display="none"
	if (typeof t.minimizeorder=="undefined"){ //stack order of minmized window on screen relative to any other minimized windows
		dhtmlwindow.minimizeorder++ //increment order
		t.minimizeorder=dhtmlwindow.minimizeorder
	}
	t.style.left="10px" //left coord of minmized window
	t.style.width="200px"
	var windowspacing=t.minimizeorder*10 //spacing (gap) between each minmized window(s)
	t.style.top=dhtmlwindow.scroll_top+dhtmlwindow.docheight-(t.handle.offsetHeight*t.minimizeorder)-windowspacing+"px"
},

restore:function(button, t){
	dhtmlwindow.getviewpoint()
	//button.setAttribute("src", dhtmlwindow.imagefiles[0])
	//button.setAttribute("title", "Minimize")
	t.state="fullview" //indicate the state of the window as being "fullview"
	t.style.display="block"
	t.contentarea.style.display="block"
	if (t.resizeBool) //if this window is resizable, enable the resize icon
		t.statusarea.style.display="block"
	t.style.left=parseInt(t.lastx)+dhtmlwindow.scroll_left+"px" //position window to last known x coord just before minimizing
	t.style.top=parseInt(t.lasty)+dhtmlwindow.scroll_top+"px"
	t.style.width=parseInt(t.lastwidth)+"px"
},


close:function(t){
	try{
		var closewinbol=t.onclose()
	}
	catch(err){ //In non IE browsers, all errors are caught, so just run the below
		var closewinbol=true
 }
	finally{ //In IE, not all errors are caught, so check if variable isn't defined in IE in those cases
		if (typeof closewinbol=="undefined"){
			alert("An error has occured somwhere inside your \"onclose\" event handler")
			var closewinbol=true
		}
	}
	if (closewinbol){ //if custom event handler function returns true
		if (t.state!="minimized") //if this window isn't currently minimized
			dhtmlwindow.rememberattrs(t) //remember window's dimensions/position on the page before closing
		t.style.display="none"
	}
	return closewinbol
},

show:function(t){
	if (t.lastx) //If there exists previously stored information such as last x position on window attributes (meaning it's been minimized or closed)
		dhtmlwindow.restore(t.controls.firstChild, t) //restore the window using that info
	else
		t.style.display="block"
	t.state="fullview" //indicate the state of the window as being "fullview"
},

ajax_connect:function(url, t){
	var page_request = false
	var bustcacheparameter=""
	if (window.XMLHttpRequest) // if Mozilla, IE7, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE6 or below
		try {
		page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
			page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
		return false
	page_request.onreadystatechange=function(){dhtmlwindow.ajax_loadpage(page_request, t)}
	if (this.ajaxbustcache) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
},

ajax_loadpage:function(page_request, t){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)){
	t.contentarea.innerHTML=page_request.responseText
	}
},


stop:function(){
	dhtmlwindow.etarget=null //clean up
	document.onmousemove=null
	document.onmouseup=null
},

addEvent:function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
},

cleanup:function(){
	for (var i=0; i<dhtmlwindow.tobjects.length; i++){
		dhtmlwindow.tobjects[i].handle._parent=dhtmlwindow.tobjects[i].resizearea._parent=dhtmlwindow.tobjects[i].controls._parent=null
	}
	window.onload=null
}

} //End dhtmlwindow object

document.write('<div id="dhtmlwindowholder"><span style="display:none">.</span></div>') //container that holds all dhtml window divs on page
window.onunload=dhtmlwindow.cleanup