if (document.images) {            // Active Images
	img1on = new Image();      
    img1on.src = "res/nav_company-on.gif"; 
	img2on = new Image();      
    img2on.src = "res/nav_services-on.gif"; 
	img3on = new Image();      
    img3on.src = "res/nav_tools-on.gif"; 
	img4on = new Image();      
    img4on.src = "res/nav_clients-on.gif"; 
	img5on = new Image();      
    img5on.src = "res/nav_requests-on.gif";
	img6on = new Image();      
    img6on.src = "res/nav_contact-on.gif";
	
	img7on = new Image();      
    img7on.src = "res/bot_bid-on.gif";
	
	
	
    img1off = new Image();      
    img1off.src = "res/nav_company.gif"; 
	img2off = new Image();     
    img2off.src = "res/nav_services.gif"; 
	img3off = new Image();      
    img3off.src = "res/nav_tools.gif"; 
	img4off = new Image();     
    img4off.src = "res/nav_clients.gif"; 
	img5off = new Image();      
    img5off.src = "res/nav_requests.gif";
	img6off = new Image();      
    img6off.src = "res/nav_contact.gif";
	
	img7off = new Image();      
    img7off.src = "res/bot_bid.gif";
		
		
	img100off = new Image();      
    img100off.src = "res/cleardot.gif";	
}



// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

// Function to open new window
function openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

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) {
		nav_logo = newImage("res/nav_logo.gif");
		
		preloadFlag = true;
	}
}

// -->

function OpenPopUpWindowpup(strURL,strTitle)
{
	var text;
	var str;
	var intWidth = 720;
	var intHeight = 421;
	
	str = "";

	if (window.screen) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 10;

		var xc = (aw - intWidth) / 2;
		var yc = (ah - intHeight) / 2;

		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}

	var objWindow = window.open(strURL, strTitle, "width=" + intWidth + ",height=" + intHeight + ",center,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0" + str);
}