var objSubmitButton; 
var objHiddenSubmitButton; 

function disableSubmitButton(objElement, objHiddenElement){
	objSubmitButton = objElement;
	objHiddenSubmitButton = objHiddenElement;
}

function validateForm(){
	var blnValidationActive = typeof(Page_ValidationActive) != "undefined";
	var blnPageValid = typeof(Page_IsValid) != "undefined" && Page_IsValid && typeof(objSubmitButton) != "undefined";

	if (blnValidationActive){
		if (blnPageValid && (typeof(objSubmitButton) != "undefined")){
			objSubmitButton.className = "HiddenButton";
			document.getElementById(objHiddenSubmitButton).className = "VisibleButton";
			document.getElementById(objHiddenSubmitButton).disabled = true;
		}
		return false;
	}
}