var mac=(navigator.appVersion.indexOf("Mac")!=-1)?true:false;
    
    function imgOn(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "on.src");
            }
    }

    function imgOff(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "off.src");
            }
    }
    function goDemosPage() {
    	window.location.href = "curator.html";
    }
    
    function goPage(page_name) {
        
        window.location.href = page_name + ".html";
    
    }
    
    function getPlayer() {
    	if (mac) {
    		window.location.href = "http://www.virtualgallerie.com/VirtualGallerie/PulsePlayer5.2MacX.hqx";
    	} else {
    		window.location.href = "http://www.virtualgallerie.com/VirtualGallerie/player5_2win.exe";
    	}
    }
    
    
    function getNescape70() {
    	if (mac) {
    		window.location.href = "ftp://ftp.netscape.com/pub/netscape7/english/7.0/mac/macosx/sea/Netscape-macosX.smi.bin";
    	} else {
    		alert ("Please access this link on a Macintosh");
    	}
    }