// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

function isEmailAddress(theElement)
{
	
	var s = theElement.value;
	//preg_match('/^[a-zA-Z0-9]+[_a-zA-Z0-9-]*(\.[_a-z0-9-]+)*@[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*(\.[a-zA-Z0-9-]+)*(\.[a-z]{2,4})$/', $cadena);	
	//var filter=/^[a-zA-Z0-9][_a-zA-Z0-9-]*(\.[_a-z0-9-]+)*@[a-zA-Z0-9](-[a-zA-Z0-9]+)*(\.[a-zA-Z0-9-]+)*(\.[a-z]{2,4})$/;
	var filter=/^[A-Za-z.][A-Za-z0-9_.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
	if (s.length == 0 ) return true;
	return (filter.test(s));
}


function redirijir(uri)
{
 	  window.location = uri;
}

function volver()
{
	history.back();
}


function confirmacion(texto,uri)
{
	 if (confirm(texto)){
       window.location = uri;
    }
    return false; 
}