var contact = jQuery.url.param("ContactMediaId"); // returns 2

$(document).ready(function() {  
	if (contact != null) {
		  $("a").click(function() {  
					if(contact != '' && this.href!='../clientes/' && this.rel!='llamanos' ) {
						this.href=this.href+'?ContactMediaId='+contact;
					}
			});  
		    $("area").click(function() {  
					if(contact != '' && this.href!='../clientes/' ) {
						this.href=this.href+'?ContactMediaId='+contact;
					}
			}); 
			$("#ContactMediaId").attr("value",contact); 
			$("#ContactMediaIdb").attr("value",contact); 
		}
		if ($("a[rel^='prettyPhoto']")) {
			$("a[rel^='prettyPhoto']").prettyPhoto('');
		} 
		if ($("area [rel^='prettyPhoto']")) {
			$("area [rel^='prettyPhoto']").prettyPhoto('');
		} 
});  
	$(function() {
		$('a[class="tblank"]').click( function() {
			window.open( $(this).attr('href') );
			return false;
		});
		$('area[class="tblank"]').click( function() {
			window.open( $(this).attr('href') );
			return false;
		});
	});