//
// Open popup windows
//
function openwin(url, allowscroll) {
	var properties = "'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=" + allowscroll + ",width=500,height=400,resizable=1'";
 	window.open(url,'mainwave_sub',properties);
}


//
// Pre-load rollover images
//
var gImageArray = new Array();

if (document.images) {
	preload("arrow_over.gif");
	preload("close_over.gif");
	preload("arrow_down_home.gif");
	preload("arrow_down_services.gif");
	preload("arrow_down_success.gif");
	preload("arrow_down_about.gif");
	preload("arrow_down_contact.gif");
}

function preload(filename) {
	var i = new Image;
	i.src = "/images/" + filename;
	gImageArray.push(i);
}

//
// Show/huide secret section
//
function showSecret(e) {
	elem(e).style.display = "block";
}
function hideSecret(e) {
	elem(e).style.display = "none";
}