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")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateForm(){
	var emailID=document.user_new.u_email
	var u_nameID=document.user_new.u_name
	var u_companyID=document.user_new.u_company
	var u_phoneID=document.user_new.u_phone
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	if ((u_nameID.value==null)||(u_nameID.value=="")){
		alert("Please Enter your name")
		u_nameID.focus()
		return false
	}
	if ((u_companyID.value==null)||(u_companyID.value=="")){
		alert("Please Enter your company")
		u_companyID.focus()
		return false
	}
	if ((u_phoneID.value==null)||(u_phoneID.value=="")){
		alert("Please Enter your phone")
		u_phoneID.focus()
		return false
	} 
	return true
 }