var browser=navigator.userAgent.toLowerCase();
//var _isFF=((browser.indexOf('mozilla')!=-1) && (browser.indexOf('spoofer')==-1) && (browser.indexOf('compatible')==-1) && (browser.indexOf('opera')==-1) && (browser.indexOf('webtv')==-1) && (browser.indexOf('hotjava')==-1));
var _isIE=((browser.indexOf("msie")!=-1) && (browser.indexOf("opera")==-1));
//var _isOP=(browser.indexOf("opera")!=-1);


function _e(id)
{
	return document.getElementById(id);
}

function getClientWidth()
{
	return (document.compatMode=='CSS1Compat' && !window.opera)?document.documentElement.clientWidth : document.body.clientWidth;
}

function getClientHeight()
{
	return (document.compatMode=='CSS1Compat' && !window.opera)?document.documentElement.clientHeight : document.body.clientHeight;
}

function getCurrentURL()
{
	return (document.location.protocol + "//" + document.location.host + document.location.pathname);
}

function checkEmail(email)
{
    var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
	return pattern.test(email);
}