function submit()
	{
		window.form1.submit();
	}


	function onPic(butName)
	{
		var navButton = document.images[butName];
		//navButton.src = '../images/'+butName+'_on.gif';
		navButton.src = eval(butName+'_on').src;
	

	}

	function offPic(butName)
	{
		var navButton = document.images[butName];
		navButton.src = '../images/'+butName+'.gif';
	}
// determine browser version

var bTypeNs = (navigator.appName=="Netscape" && parseInt(navigator.appVersion) >= 4);
var NN4 = false;
var NN6 = false;
var IE4 = false;
if (bTypeNs) {
	if (parseInt(navigator.appVersion) < 5) {
		NN4 = true;
	} else {
		NN6 = true;
	}
} else {IE4 = true;}

// determine platform
var isMac = navigator.appVersion.indexOf('Mac') > 0 ? 1 : 0 ;

// setup defaults
var HIDDEN = (NN4) ? 'hide' : 'hidden';
var VISIBLE = (NN4) ? 'show' : 'visible';
var navVersion = parseInt(navigator.appVersion);
	var aboutus_on = new Image();
	aboutus_on.src="images/aboutus_on.gif";
	var supply_on = new Image();
	supply_on.src="images/supply_on.gif";
	var affinity_on = new Image();
	affinity_on.src="images/affinity_on.gif";
	var enabled_on = new Image();
	enabled_on.src="images/enabled_on.gif";
	var suppliers_on = new Image();
	suppliers_on.src="images/suppliers_on.gif";
	var rebate_on = new Image();
	rebate_on.src="images/rebate_on.gif";
	var benefits_on = new Image();
	benefits_on.src="images/benefits_on.gif";