// JavaScript Document
//for email validation
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 E-mail ID")
		   return false
		}

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

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

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

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

		 if (str.indexOf(dot,(lat+2))==-1)
		 {
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1)
		 {
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 //return true					
	}

//to open tell a friend popup
function TellFriend(uri,w,h)

{
	if(uri=='')	
		uri='index.php';
	else{
			uri=uri;
	}
     // var link='tell_friend.php?uri='+uri;
	    var linkname='tell_friend/'+uri;

      var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=yes,scrollbars=yes";

      wishWin = window.open(linkname,'wishWin',win);

}