//Script para poder mostrar las previsualizaciones flotantes de las imagenes
var ie=document.all
var ns=document.layers
var ns6=document.getElementById&&!document.all
var categoriaActual=null
function enlarge(which,e,w,h,name){
	//Render image code for IE 4+ and NS6
	if (ie||ns6){
		crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
		cambioResolucion=document.getElementById? document.getElementById("cambioRes") : document.all.cambioRes
		var pos_cursorX=(ns6? pageXOffset+e.clientX : document.body.scrollLeft+event.clientX)
		var pos_cursorY=(ns6? e.clientY : event.clientY)
		var anchura=""
		var altura=""
		anchura = pos_cursorX
		altura = pos_cursorY
//		if((altura+h+20) > document.body.clientHeight){
//			altura =  document.body.scrollTop + document.body.clientHeight - h - 20
//		}
		if((altura+parseInt(crossobj.style.height)+20) > self.screen.availHeight){
			altura =  parseInt(document.body.scrollTop) + parseInt(self.screen.availHeight) - parseInt(crossobj.style.height) - 20
		}
		else{	altura = altura + document.body.scrollTop	}
//		if (crossobj.style.visibility=="hidden"){
			//crossobj.style.left=anchura
			//crossobj.style.top=altura
			crossobj.style.left=1
			crossobj.style.top=document.body.scrollTop + 20
			ancho = w < document.forms[0].resimg.value ? w : document.forms[0].resimg.value
			
			crossobj.innerHTML='<div align=left id=drag style="cursor:move;width:auto;"><b onClick=closepreview() ><img src="cerrarX.gif" width="15px" height="14px" style="cursor:hand"><img border="0" height="1px" width="16px" src="/icons/ecblank.gif" alt=""></b>'+name+'</div>' + cambioResolucion.innerHTML + '<div align=left id="imagenpreview"  ><img id="FullImagen" style="width:'+ancho+'" src="'+which+'"></div>'
			crossobj.style.visibility="visible"
//		}
//		else	crossobj.style.visibility="hidden"
		return false
	}
	//Render image code for NS 4
	else if (document.layers){
//		if (document.showimage.visibility=="hide"){
			document.showimage.document.write('<a href="#" onMouseover="drag_dropns(showimage)"><img id="FullImagen" style="width:'+ancho+'" src="'+which+'"></a>')
			document.showimage.document.close()
			document.showimage.left=e.x
			document.showimage.top=e.y
			document.showimage.visibility="show"
//		}
//		else	document.showimage.visibility="hide"
		return false
	}
	//if NOT IE 4+ or NS 4, simply display image in full browser window
	else
		return true
	}
function closepreview(){
	crossobj.style.visibility="hidden"
}
//drag drop function for NS 4////
/////////////////////////////////
var nsx,nsy,nstemp
function drag_dropns(name){
	temp=eval(name)
	temp.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP)
	temp.onmousedown=gons
	temp.onmousemove=dragns
	temp.onmouseup=stopns
}
function gons(e){
	temp.captureEvents(Event.MOUSEMOVE)
	nsx=e.x
	nsy=e.y
}
function dragns(e){
	temp.moveBy(e.x-nsx,e.y-nsy)
	return false
}
function stopns(){
	temp.releaseEvents(Event.MOUSEMOVE)
}
//drag drop function for IE 4+ and NS6////
/////////////////////////////////
function drag_drop(e){
	if (ie&&dragapproved){
		crossobj.style.left=tempx+event.clientX-offsetx
		crossobj.style.top=tempy+event.clientY-offsety
	}
	else if (ns6&&dragapproved){
		crossobj.style.left=tempx+e.clientX-offsetx
		crossobj.style.top=tempy+e.clientY-offsety
	}
	return false
}
function initializedrag(e){
//(ie&&event.srcElement.id=="drag"||ns6&&e.target.id=="drag")||
	if(ie&&event.srcElement.id=="topMenuPag" || ns6&&e.target.id=="topMenuPag"){
		crossobj=document.getElementById? document.getElementById("topMenuPag") : eval(document.all.topMenuPag)
	}
	else{
	crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
	}
	if ((ie&&event.srcElement.id=="drag"||ns6&&e.target.id=="drag")||(ie&&event.srcElement.id=="topMenuPag" || ns6&&e.target.id=="topMenuPag")){
		offsetx=ie? event.clientX : e.clientX
		offsety=ie? event.clientY : e.clientY
		tempx=parseInt(crossobj.style.left)
		tempy=parseInt(crossobj.style.top)
		dragapproved=true
		document.onmousemove=drag_drop
	}
}
document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")
function despliega(que, idpag){
	if (ie||ns6){
		categoria=document.getElementById? document.getElementById(idpag) : eval(document.all.idpag)
	if(que == "paginas"){	
		if (categoriaActual == null){
			categoriaActual = categoria
		}
	}
	if (categoria.style.visibility!="visible"){
		if(que == "paginas"){
			if(categoriaActual.id != categoria.id){
				categoriaActual.style.visibility="hidden"
			}
		}
		categoria.style.visibility="visible"
		if(que == "paginas"){
			categoriaActual = categoria
		}
	}
	else
		categoria.style.visibility="hidden"
	//	categoriaActual.style.visibility="hidden"
		if(que == "paginas"){
			categoriaActual = categoria
		}
		else {
			if (categoriaActual != null) {
				categoriaActual.style.visibility="hidden"
			}
		}
		return false
	}
}
function despliegaMenu(categ){
	if (ie||ns6){
		categoria=document.getElementById? document.getElementById(categ) : eval(document.all.categ)
	if (categoria.style.display!="block"){
		categoria.style.display="block"
	}
	else
		categoria.style.display="none"
		return false
	}
}