<!--
isDOM=document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
isOpera=isOpera5=window.opera && isDOM //Opera 5+
isOpera6=isOpera && window.print //Opera 6+
isOpera7=isOpera && document.readyState //Opera 7+
isMSIE=document.all && document.all.item && !isOpera //Microsoft Internet Explorer 4+
isMSIE5=isDOM && isMSIE //MSIE 5+
isNetscape4=document.layers //Netscape 4.*
isMozilla=isDOM && navigator.appName=="Netscape" //Mozilla или Netscape 6.*
browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if (isDOM) {

        nav1 = new Image();
        nav1.src = "img01/nav1-create.gif";
        nav2 = new Image();
        nav2.src = "img01/nav2-support.gif";
        nav3 = new Image();
        nav3.src = "img01/nav3-projects.gif";
        nav4 = new Image();
        nav4.src = "img01/nav4-services.gif";
        nav5 = new Image();
        nav5.src = "img01/nav5-about.gif";
        nav6 = new Image();
        nav6.src = "img01/nav6-contacts.gif";

        nav1a = new Image();
        nav1a.src = "img01/nav1a-create.gif";
        nav2a = new Image();
        nav2a.src = "img01/nav2a-support.gif";
        nav3a = new Image();
        nav3a.src = "img01/nav3a-projects.gif";
        nav4a = new Image();
        nav4a.src = "img01/nav4a-services.gif";
        nav5a = new Image();
        nav5a.src = "img01/nav5a-about.gif";
        nav6a = new Image();
        nav6a.src = "img01/nav6a-contacts.gif";

        }
        
function displayOver(objectName) {
        if ( browser ) {
        imgOn = eval(objectName + "a.src");
        document [objectName].src = imgOn;
        }
}

function displayOut(objectName) {
        if ( browser ) {
        imgOff = eval(objectName + ".src");
        document [objectName].src = imgOff;
        }
}
// -->