function checkForm()
{	
	if(document.frmEmail.ddlRequest.selectedIndex == 0){
		alert("Please select a contact request.");
		return false;
	}
	if(!isValidFormLen(document.frmEmail.txtFirstName.value, 1)){
		alert("Please enter a first name.");
		return false;
	}
	if(!isValidFormLen(document.frmEmail.txtLastName.value, 1)){
		alert("Please enter a last name.");
		return false;
	}
	if(!isValidEmail(document.frmEmail.txtEmail.value)){
		alert("Please enter a valid email address.");
		return false;
	}
	if(!isValidFormLen(document.frmEmail.txtMessage.value, 1)){
		alert("Please enter a message.");
		return false;
	}
	return true;	
}
   
function isValidFormLen(objFieldVal, minLen)
{
	if(objFieldVal.length < minLen) return false;		
	else return true;	
}

function isValidEmail(eAddr) 
{ 
	if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(eAddr)){
		return true;
	}else{
		return false;
	}
}