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 name = document.frmPraposal.txtName;
 	if ((name.value==null)||(name.value=="")){
 		alert("Please Enter your Name")
 		name.focus()
 		return false
 	}
 
 var city = document.frmPraposal.txtCity;
 	if ((city.value==null)||(city.value=="")){
 		alert("Please Enter City-Conuntry Name")
 		city.focus()
 		return false
 	}
 
 var web = document.frmPraposal.txtWeb;
 	if ((web.value==null)||(web.value=="")){
 		alert("Please Enter Current website name")
 		web.focus()
 		return false
 	}
 
 
	
 
	
 
	var emailID=document.frmPraposal.txtEmail;
 
	
 
	if ((emailID.value==null)||(emailID.value=="")){
 
		alert("Please Enter your Email ID")
 
		emailID.focus()
 
		return false
 
	}
 
	if (echeck(emailID.value)==false){
 
		emailID.value=""
 
		emailID.focus()
 
		return false
 
	}
 
	return true
 
 }