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 preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("images/menu/home_over.gif");
		home_over003 = newImage("images/menu/home_over-03.gif");
		products_services_over = newImage("images/menu/products_services_over.gif");
		products_services_over007 = newImage("images/menu/products_services_over-07.gif");
		clients_over = newImage("images/menu/clients_over.gif");
		clients_over011 = newImage("images/menu/clients_over-11.gif");
		contact_over = newImage("images/menu/contact_over.gif");
		contact_over015 = newImage("images/menu/contact_over-15.gif");
		preloadFlag = true;
	}
}

preloadImages();

function focus_input(object,iValue) {
	if(object.value== iValue) {
		object.value='';	
	}
}

function blur_input(object,iValue) {
	if(object.value== '') {
		object.value = iValue;
	}
}