// JavaScript Document

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(){
	var emailID=document.frmsubmit.UserEmail
	var UserName=document.frmsubmit.UserName
	var UserContact=document.frmsubmit.UserContact
	var shipadd=document.frmsubmit.shipadd
	var qty=document.frmsubmit.qty
	
	
	
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if ((UserName.value==null)||(UserName.value=="")){
		alert("Please Enter your Name")
		UserName.focus()
		return false
	}
	if ((UserContact.value==null)||(UserContact.value=="")){
		alert("Please Enter your Contact")
		UserContact.focus()
		return false
	}
	if ((shipadd.value==null)||(shipadd.value=="")){
		alert("Please Enter your Shipping Address")
		shipadd.focus()
		return false
	}
	if ((qty.value==null)||(qty.value=="")||(qty.value=="0")){
		alert("Please Enter your Order Quantity")
		qty.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }