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 process_form(){

	var errors = "";
	
	if(document.getElementById('name').value == ""){
	
		errors += "Please enter your name.\n";
	
	}
	
	if(echeck(document.getElementById('email').value)==false || document.getElementById('email').value == "" || document.getElementById('email').value == null){
	
		errors += "Please enter a valid Email Address.\n";
	
	}
	
	if(document.getElementById('city').value == ""){
	
		errors += "Please enter your city.\n";
	
	}
	
	if(errors == ""){
	
		var poststr = "";
		
		poststr += 'name=' + encodeURI(document.getElementById('name').value) + '&';
		
		poststr += 'email=' + encodeURI(document.getElementById('email').value) + '&';
		
		poststr += 'phone=' + encodeURI(document.getElementById('phone').value) + '&';
		
		poststr += 'city=' + encodeURI(document.getElementById('city').value) + '&';
		
		poststr += 'region=' + encodeURI(document.getElementById('region').value) + '&';
		
		poststr += 'country=' + encodeURI(document.getElementById('country').value) + '&';
		
		var selObj = document.getElementById('remitted');
		var selIndex = selObj.selectedIndex;
		
		poststr += 'remitted=' + encodeURI(selObj.options[selIndex].value) + '&';
		
		poststr += 'comments=' + encodeURI(document.getElementById('comments').value) + '&';
		
		poststr += 'name_check=' + encodeURI(document.getElementById('name_check').value) + '&';
		
		poststr += 'page=verify_newsletter';

		new Ajax.Updater('verify_newsletter', 'form_include.php', { method: 'get', parameters: poststr } );
	
	}
	else{
	
		alert(errors);
		
	}
	
}