function CheckForm(theform) {
	var form_err = '';
	for (var i=0;i<theform.elements.length;i++) {
		theform.elements[i].disabled = 'true';
		if (theform.elements[i].getAttribute('required') != undefined && theform.elements[i].getAttribute('required') == 'true') {
			if (theform.elements[i].value == undefined || theform.elements[i].value == '') {
				//for "select" type elements
				if (theform.elements[i].length != undefined) {
					if (theform.elements[i].selectedIndex > 0) {
						if (theform.elements[i].selectedIndex == undefined || theform.elements[i].options[theform.elements[i].selectedIndex] == undefined || theform.elements[i].options[theform.elements[i].selectedIndex].value == '') {
							form_err = form_err + '\n  -- ' + theform.elements[i].name;
						}
					}
					else
					{ form_err = form_err + '\n  -- ' + theform.elements[i].name; }
				}
				else form_err = form_err + '\n  -- ' + theform.elements[i].name;
			 }
		}
	}
	for (var i=0;i<theform.elements.length;i++) theform.elements[i].disabled = '';		
	
	if (form_err != '') {
		form_err = "The following fields are required:" + form_err;
		alert(form_err);
		return false;
	} else return true;
}

//for full browser compatibility, instead of javascript: void or similar
function doNothing() { }

//holds the form action attribute
var actTemp = '';

//called onsubmit
function SendRequest(theform, ajax) {
	var the_err = '';
	if (theform.action != 'javascript: doNothing();' && theform.action != '') actTemp = theform.action;
	theform.action = 'javascript: doNothing();';
	var formConf = CheckForm(theform);
	if (formConf) {
		if (ajax) {
			// coming soon...
		}
		else {
			theform.action = actTemp;
			theform.onsubmit = '';
			theform.submit();
		}
	}
}