function checkmail(e)
{

/***********************************************
* Email Validation script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
	var returnval=emailfilter.test(e.value);
	
	if (returnval==false){

		alert("Please enter a valid email address.");
		//e.select();
	
	}
	
	return returnval;
}

function handleEnter (field, event)
{
	
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		
		if (keyCode == 13)
		{
			
			var i;
			
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
					
			i = (i + 1) % field.form.elements.length;
			field.form.elements[i].focus();
			return false;
			
		} 
		else
		return true;
}

function formCheckEmpty(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("name", "email", "company", "message");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("name", "email", "company", "message");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	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] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				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] + "\n";
				}
			}
		}
	}
	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}

function contactFormCheck(formObject)
{
	emailOnfocus();
	nameOnfocus();
	companyOnfocus();
	messageBoxOnfocus();
	if (formCheckEmpty(formObject))
	{
		return checkmail(formObject.email);
	}else
	{
		return false;
	}
}

function emailOnfocus()
{
	var email=document.getElementById("email");
	
	if (!emailClicked)
	{
		emailClicked=true;
		email.value="";
	}
}

function nameOnfocus()
{
	var name=document.getElementById("name");
	
	if (!nameClicked)
	{
		nameClicked=true;
		name.value="";
	}
}

function companyOnfocus()
{
	var company=document.getElementById("company");
	
	if (!companyClicked)
	{
		companyClicked=true;
		company.value="";
	}
}

function messageBoxOnfocus()
{
	var messageBox=document.getElementById("message");
	
	if (!messageBoxClicked)
	{
		messageBoxClicked=true;
		messageBox.value="";
	}
}