// JScript File
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					
	}

function ValidateForm()
{

if(document.getElementById("txt_YourName").value=='')
{
	 
		alert("Please enter your name:");
		document.getElementById("txt_YourName").focus();
		return false
	
}
if(document.getElementById("txt_YourEmail").value=='')
{
	 
		alert("Please enter email");
		document.getElementById("txt_YourEmail").focus();
		return false
}
else if (echeck(document.getElementById("txt_YourEmail").value)==false)
    {
	   document.getElementById("txt_YourEmail").focus();
		return false
    }
	


if(document.getElementById("txt_FriendName1").value=='')
{
	 
		alert("Please enter Your friend's name:");
		document.getElementById("txt_FriendName1").focus();
		return false
	
}

if(document.getElementById("txt_FriendEmail1").value=='')
{
	 
		alert("Please enter Email-ID:");
		document.getElementById("txt_FriendEmail1").focus();
		return false
}
	else if (echeck(document.getElementById("txt_FriendEmail1").value)==false)
    {
		document.getElementById("txt_FriendEmail1").focus();
		return false
    }


if(document.getElementById("txt_FriendEmail2").value!='')
{
    if(echeck(document.getElementById("txt_FriendEmail2").value)==false)
    document.getElementById("txt_FriendEmail2").focus();
		
}

if(document.getElementById("txt_FriendEmail3").value!='')
{
    if(echeck(document.getElementById("txt_FriendEmail3").value)==false)
    document.getElementById("txt_FriendEmail3").focus();
		
}


if(document.getElementById("txt_FriendEmail4").value!='')
{
    if(echeck(document.getElementById("txt_FriendEmail4").value)==false)
    document.getElementById("txt_FriendEmail4").focus();
		
}

return true

}
function showwindow1(obj)
{
var name = document.getElementById(obj).value;
var forlabel=obj;
llb=forlabel.split('_');
var lableval=llb[0]+'_'+llb[1]+'_'+"lbl_user1";
var lbvalue=document.getElementById(lableval).innerHTML;
document.getElementById("HiddenField1").value=lbvalue;
location='gallery3.aspx?Name='+lbvalue;
}
function showwindow2(obj)
{
var name = document.getElementById(obj).value;
var forlabel=obj;
llb=forlabel.split('_');
var lableval=llb[0]+'_'+llb[1]+'_'+"lbl_user2";
var lbvalue=document.getElementById(lableval).innerHTML;
document.getElementById("HiddenField1").value=lbvalue;
location='gallery3.aspx?Name='+lbvalue;

}
function showwindow3(obj)
{
var name = document.getElementById(obj).value;
var forlabel=obj;
llb=forlabel.split('_');
var lableval=llb[0]+'_'+llb[1]+'_'+"lbl_user3";
var lbvalue=document.getElementById(lableval).innerHTML;
document.getElementById("HiddenField1").value=lbvalue;
location='gallery3.aspx?Name='+lbvalue;
}
function showwindow(obj)
{
var name = document.getElementById(obj).value;
var forlabel=obj;
llb=forlabel.split('_');
var lableval=llb[0]+'_'+llb[1]+'_'+"lbl_user1";
var lbvalue=document.getElementById(lableval).innerHTML;
document.getElementById("HiddenField1").value=lbvalue;
location='gallery3.aspx?Name='+lbvalue;
}