function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;
		}
	}
}

function ValidateInput(frm) {
	str="";
	if(Trim(frm.txt_username.value)=="") {
		
		str += "Username.\n";
	}
	if(Trim(frm.txt_password.value)=="") {
		str += "Password.\n";
	}
	if (str!="") {
		msg="Please enter the following details\n";
		msg = msg + "----------------------------------------\n";
		msg = msg + str;
		alert(msg);
		return false;
	}
	else {
		return true;
	}
}
function isNumberKey(evt) {
	 if(evt.which!=0) {
		var charCode = (evt.which) ? evt.which : event.keyCode
		if (charCode > 31 && (charCode < 48 || charCode > 57)&& charCode!=40 && charCode!=41 && charCode!=45 && charCode!=32 && !evt.ctrlKey && charCode!=43)
			return false;
		return true;			
	 } else {
		return true;
	 }
}

function isEmail(strEmail)
{
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
	// search email text for regular exp matches
	if (strEmail.search(validRegExp) == -1)
	{
	return false;
	}
	return true;
}
//	Is Valid Email function
function IsvalidEmail(email) {
	var str=email;
	var flag=true;
	var at="@";
	var dot=".";
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if(str=='') {
		flag=false;
	}
	if (str.indexOf(at)==-1) {
		flag=false;
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		flag=false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		flag=false;
	if (str.indexOf(at,(lat+1))!=-1)
		flag=false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		flag=false;
	if (str.indexOf(dot,(lat+2))==-1)
		flag=false;
	if (str.indexOf(" ")!=-1)
		flag=false;
	 if(flag)
		return true;
	 else
	 return false;
}

function Trim(s) {
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) 
		s = s.substring(1,s.length);
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) 
		s = s.substring(0,s.length-1);
	return s;
}