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

if (browser){
	
	about = new Image();
	about.src = "images/buttons/nav_about_on.gif";
	strategy = new Image();
	strategy.src = "images/buttons/nav_strategy_on.gif";
	tech = new Image()
	tech.src = "images/buttons/nav_tech_on.gif";
	solutions = new Image()
	solutions.src = "images/buttons/nav_solutions_on.gif";
	contact = new Image()
	contact.src = "images/buttons/nav_contact_on.gif";
}
	
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);  


function rollOne(rollName,rollState){ 
    	if (browser){
    		document[rollName].src = (rollState);
    	}
    	return true;
}
		 
function windowPop(url,name,features){
	window.open(url,name,features);
}