function openWin(url,width,height){
window.open(url,"VPTwindow","toolbar=no, directories=no, status=no, menubars=no, scrollbars=yes, width="+width+", height="+height);
}

function jumptoWindow() {return;}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var emailReg = /^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}$/;

function removeError(id) {
	var errorContainer = id + '_error';
	$('#' + errorContainer).remove();
	$('#' + id).removeClass('error');
}

function showError(id, message) {
	var errorContainer = id + '_error';
	$('#' + id).addClass('error');
	$('#' + id).after('<div class="field_error error" id="' + errorContainer + '">' + message + '</div>');
}