var w = window.screen.availWidth;
var h = window.screen.availHeight;


//Estadisticas
var qsParm = new Array();
var XmlHttp;
qs();

function qs() {
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) {
		var pos = parms[i].indexOf('=');
		if (pos > 0) {
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParm[key] = val;
		}
	}
}

function RegistrarEstadistica(param,idElem)
{   
	qs();
	var aleatorio = Math.round(Math.random()*1000000000000000000);
	var requestUrl = "wf_RegistrarEstadistica.aspx?"+param+"=" + qsParm[param]  + '&Ran=' + aleatorio;;

	//Verificar el numero de la plantilla
	CreateXmlHttp();
	if(XmlHttp)
	{
		XmlHttp.open("GET", requestUrl,  true);
		XmlHttp.send(null);           
	}

	return false;
}
function CreateXmlHttp()
{
	//Creating object of XMLHTTP in IE
	try
	{
		XmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e)
		{
			XmlHttp = null;
		}
	}
	//Creating object of XMLHTTP in Mozilla and Safari
	if(!XmlHttp && typeof XMLHttpRequest != "undefined")
	{
		XmlHttp = new XMLHttpRequest();
	}
}


//Specify affected tags. Add or remove from list:
var tgs = new Array( 'div','td','tr','h2','multimedia_texto');

//Specify spectrum of different font sizes:
var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var startSz = 1;

function ts( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 6 ) sz = 6;
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
	}
}