var NS6 = false;
var IE4 = (document.all)? true:false
var NS4 = (document.layers)? true:false
var NS6 = (document.getElementById)? true:false
var yesMac = false;
if (navigator.userAgent.indexOf("Mac")!=-1) yesMac = true;

function rollover(button,axtn){
	if (document.images){document.images[button].src="graphics/"+button+axtn+".gif";	}
}

function rollover2(button,axtn){
	if (document.images){document.images[button].src="graphics/"+button+axtn+".jpg";	}
}

function popup(newurl,winWidth,winHeight,tb){
	starttext = "toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizeable=no,";
	if(tb=="print") starttext = "toolbar=yes,location=no,directories=no,status=no,scrollbars=yes,resizeable=no,";
	featuretext = starttext + "width="+winWidth+",height="+winHeight+",left=5,top=5";
	mainView = window.open(newurl,'ImagePreview',featuretext);
	mainView.focus();
}