// JavaScript Document

function chkspc(cntrl)
{
	var ichars;
	var spcsts;
	var len = document.getElementById(cntrl).value.length - 1;
	ichars = " ";
	spcsts = "f"; //false
	if(ichars.indexOf(document.getElementById(cntrl).value.charAt(0)) != -1)
	{
		spcsts = "t"; //true
		alert("Spaces are not allowed in the first place");				
	}
	else if(ichars.indexOf(document.getElementById(cntrl).value.charAt(len)) != -1)
	{
		spcsts = "t"; //true
		alert("Spaces are not allowed in the last place");								
	}
	if(spcsts == "t")
	{
		document.getElementById(cntrl).focus();
		return false;				
	}
	
}
function echeck(str) 
{

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   alert("Invalid email address")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("Invalid email address")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid email address")
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid email address")
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid email address")
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid email address")
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		alert("Invalid email address")
		return false
	 }
	 return true					
}