var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
function checkmail(e){
var returnval=emailfilter.test(e.value)
if (returnval==false){
	var str="Please enter a valid email address.";
		document.getElementById("alertMsg").innerHTML=str;
		document.getElementById("alertMsg").style.display="block";
				e.select()
}
return returnval
}


function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("ename","eLastname", "eemail", "area", "ecomments");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("First Name","Last Name", "E-mail Address","Phone Number",   "Specific Query");
	// dialog message
	var alertMsg = "Please complete the following fields:<br>";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "<br>";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "<br>";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "<br>";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "<br>";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
return checkmail(formobj.elements[fieldRequired[2]]);
	}else{
		document.getElementById("alertMsg").innerHTML=alertMsg;
				document.getElementById("alertMsg").style.display="block";
		//alert(alertMsg);
		return false;
	}
}