var intZoomLevel='1';	//GetCookie('ZoomLevel');
if('123'.indexOf(intZoomLevel)==-1) {
	intZoomLevel='1';
	SetCookie('ZoomLevel',intZoomLevel);
}
var strZoomBlocks='';

function textZoomRegister(pstrZoomBlock) {
	if(strZoomBlocks!='')
		strZoomBlocks+='|';
	strZoomBlocks+=pstrZoomBlock;
}

function textZoomIn() {
	if(intZoomLevel<3) {
		var lobjZoom;
		var aZoomBlocks=strZoomBlocks.split("|");
		intZoomLevel++;
		for(var lintI=0;lintI<aZoomBlocks.length;lintI++) {
			lobjZoom=document.getElementById(aZoomBlocks[lintI]);
			if(lobjZoom)
				lobjZoom.className='Zoom'+(intZoomLevel);
		}
		SetCookie('ZoomLevel',intZoomLevel);
	}
}

function textZoomOut() {
	if(intZoomLevel>1) {
		var lobjZoom;
		var aZoomBlocks=strZoomBlocks.split("|");
		intZoomLevel--;
		for(var lintI=0;lintI<aZoomBlocks.length;lintI++) {
			lobjZoom=document.getElementById(aZoomBlocks[lintI]);
			if(lobjZoom)
				lobjZoom.className='Zoom'+(intZoomLevel);
		}
		SetCookie('ZoomLevel',intZoomLevel);
	}
}

function SetAsHomePage(pobj,pstrURL) {
	if(Nav.type=='E' && Nav.version>=5) {
		pobj.style.behavior='url(#default#homepage)';
		pobj.setHomePage(pstrURL);
	}
	else {
		alert('Esta opción sólo está disponible para Internet Explorer 5.0 o posterior.');
	}
}

function SetAsFavorite(pstrTitle) {
	if (window.external)
	  external.AddFavorite(location.href,pstrTitle)
	else
	  alert("Tu navegador no soporta esta característica.");
}

function SetCookie(pstrName, pstrValue) {
	var lobjDate = new Date();
    lobjDate.setTime(lobjDate.getTime()+(365*24*60*60*1000));
    var lstrExpires = 'expires=' + lobjDate.toGMTString() + '; ';
	document.cookie = pstrName + '=' + pstrValue + '; ' + lstrExpires;
}
function GetCookie(pstrName) {
	var lstrSearch = pstrName + '=';
	var laCookies = document.cookie.split(';');
	for(var lintI=0; lintI < laCookies.length; lintI++) {
		var lstrCookie = laCookies[lintI];
		while(lstrCookie.charAt(0)==' ')
			lstrCookie = lstrCookie.substring(1,lstrCookie.length);
		if(lstrCookie.indexOf(lstrSearch) == 0)
			return lstrCookie.substring(lstrSearch.length,lstrCookie.length);
	}
	return null;
}