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("There is a missing @ within your email address. Please enter again.");
		   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("There is a missing dot, or the dot is in the wrong place. Please try again.");
		    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 validate(){
	
	var emailID = document.inform.email.value	
	if (emailID.value=="") {
			alert(emailID);
		alert("Please enter your email address");

		return false
		
	}

	if (echeck(emailID)==false){

		
		return false
	}
	return true
 }