BrowserOK = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) > 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

var clicked;
var doit;

//preload images

//main site navigation buttons
	n_homeon = new Image();               
	n_homeon.src = "images/home_org.gif";
	n_homeoff = new Image();               
	n_homeoff.src = "images/home_blu.gif";
	
	n_contacton = new Image();               
	n_contacton.src = "images/contact_org.gif";
	n_contactoff = new Image();               
	n_contactoff.src = "images/contact_blu.gif";
	
	n_docon = new Image();               
	n_docon.src = "images/doc_org.gif";
	n_docoff = new Image();               
	n_docoff.src = "images/doc_blu.gif";

//text for main site navigation buttons

	n_hometon = new Image();               
	n_hometon.src = "images/home_txt.gif";
	n_hometoff = new Image();               
	n_hometoff.src = "images/spacer.gif";
	
	n_contactton = new Image();               
	n_contactton.src = "images/contact_txt.gif";
	n_contacttoff = new Image();               
	n_contacttoff.src = "images/spacer.gif";
	
	n_docton = new Image();               
	n_docton.src = "images/doc_txt.gif";
	n_doctoff = new Image();               
	n_doctoff.src = "images/spacer.gif";

	
	
	/*function mover(imgName)	{ 
		if (BrowserOK)
		{
			if (clicked != imgName){
				imgOn = eval(imgName + "on.src"); 
				document[imgName].src = imgOn;
			}
		}
		else {}
	}
	
	function mout(imgName) 	{
		if (BrowserOK)
		{
			if (clicked != imgName){
				imgOff = eval(imgName + "off.src"); 
				document[imgName].src = imgOff;
			}
		}
		else {}
	}
	*/

	function mover2(imgName1)	{ 
		//if (BrowserOK) {
		imgOn1 = eval(imgName1 + "on.src"); 
		document[imgName1].src = imgOn1;
		imgOn2 = eval(imgName1 + "t" + "on.src"); 
		document['n_dummy'].src = imgOn2;	
		//}
	}
	
	function mout2(imgName1) {
		//if (BrowserOK) {
		imgOff1 = eval(imgName1 + "off.src"); 
		document[imgName1].src = imgOff1;
		imgOff2 = eval(imgName1 + "t" + "off.src"); 
		document['n_dummy'].src = imgOff2;	
		//}
	}