// (c) 2002 jcontonio | jay@jcontonio.com | www.jcontonio.com

function displayWindow(url,width,height,scroll,tools) {
                
x = (640 - width)/2, y = (480 - height)/2;

nWidth = width;
nHeight = height;

if (screen) {
	y = (screen.availHeight - height)/2;
	x = (screen.availWidth - width)/2;
}

if (screen.availWidth > 1800) {
	
	x = ((screen.availWidth/2) - width)/2;
    
}

	window.open(url,'newWin','scrollBars='+scroll+',toolbar='+tools+',width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);

}

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) {
		comp_over = newImage("images/nav/nav-company_information.gif");
		prop_over = newImage("images/nav/nav-properties.gif");
		agen_over = newImage("images/nav/nav-agents.gif");
		cont_over = newImage("images/nav/nav-contact.gif");
		defa_over = newImage("images/nav/nav-info_default.gif");
		inf1_over = newImage("images/nav/nav-info_1.gif");
		inf2_over = newImage("images/nav/nav-info_2.gif");
		inf3_over = newImage("images/nav/nav-info_3.gif");
		inf4_over = newImage("images/nav/nav-info_4.gif");
		preloadFlag = true;
	}
}