document.getElementById("submitButton").onclick = function(){
	var strErr;
	strErr = "";
	if(document.getElementById("cuname").value == ""){
		strErr += "&#8226; Please Enter Your Name.<br/>";
	}
	
	if(document.getElementById("cuemail").value == ""){
		strErr += "&#8226; Please Enter Your Email Address.<br/>";
	}
	
	if(document.getElementById("cuconfirmemail").value == ""){
		strErr += "&#8226; Please Enter Confirmation Email Address.<br/>";
	}
	
	if(document.getElementById("cuconfirmemail").value != document.getElementById("cuemail").value){
		strErr += "&#8226; Email and Confirmation Email address do not match.<br/>";
	}
	
	if(document.getElementById("cusubject").value == ""){
		strErr += "&#8226; Please Enter Subject.<br/>";
	}
	
	if(document.getElementById("cubody").value == ""){
		strErr += "&#8226; Please Enter Comment, Query or Feedback.<br/>";
	}
	
	if(strErr != ""){
		customAlert(strErr);
	}
	else{
		document.getElementById("frm").submit();
	}
}

function customAlert(strErr){
	var myAlert;
	
	var handleClose = function() {
		myAlert.hide();
	};
	
	myAlert = new YAHOO.widget.SimpleDialog("myAlert", { modal:true, width: "340px", fixedcenter: true, visible: false,draggable: true, close: true, icon: YAHOO.widget.SimpleDialog.ICON_WARN, constraintoviewport: true, buttons: [{ text:"Close", handler:handleClose, isDefault:false }]} );
	myAlert.setHeader("<img src='images/icons/plane.gif' /> :: About Travels :: ");
	myAlert.setBody("<div style='margin-left:30px'>" + strErr + "</div>");
	myAlert.render("errorDiv");
	myAlert.show();
}