// pre-load off images
var home_on = new Image();			home_on.src = "/art/nav_home_on.gif";
var solutions_on = new Image(); 	solutions_on.src = "/art/nav_solutions_on.gif";
var about_on = new Image(); 	about_on.src = "/art/nav_about_on.gif";
var contact_on = new Image(); 	contact_on.src = "/art/nav_contact_on.gif";

function on_load(test){
	// remove scrollbars
	if(test){
		if (isIE){
			document.body.scroll="no";
			browser = "msie";
		}else{
			document.clientWidth= window.innerWidth;
			document.clientHeight=window.innerHeight;
			browser = "ns";
			}
		}
	}
	
function buttonEffect(theButton, theState, homeSwitch){		
		var img = window.document.getElementById(theButton);
		var relPath = (!homeSwitch ? "/" : "");
		var srcFile = relPath+"art/nav_"+theButton+"_"+(theState == 1 ? "on" : "off")+".gif";
		img.src = srcFile;
		}