var isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
var NS4 = (document.layers) ? true : false;
var IEmac = ((document.all)&&(isMac)) ? true : false;
var IE4plus = (document.all) ? true : false;
var IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
var IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
var IE6 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 6.")!=-1)) ? true : false;
var ver4 = (NS4 || IE4plus) ? true : false;
var NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;

var IE5plus = IE5 || IE6;
var IEMajor = 0;

function changeNav(elm,cl){
	if(NS6 || IE4plus){
		elm.style.backgroundColor=cl;
		if (IE4){
			elm.children[0].style.backgroundColor=cl;
		} else {
			elm.childNodes[0].style.backgroundColor=cl;
		}
		var cursor=(IE5||IE4)?"hand":"pointer";
		elm.style.cursor=cursor;
	}
}
function changeLoc(l){
	location=l;
}
function removeText(t){
	if (t.value=="Enter search words"){
		t.value="";
	}
}
function buttonClick(b){
	b.style.backgroundColor='#336633';
}
function openWindow(url,params){
	params=(params)?params:"height=278,width=480,scrollbars";
	var newwin=window.open(url,"popUp",params);
}