var actualImage = new String("but1");
var oldImage = new String("but1");

var actual = new String("but1");
var old = new String("but1");

if (document.images) {

        var but1on = new Image();
        but1on.src = "img/tomsDrag_a.gif";
        var but1off = new Image();
        but1off.src = "img/tomsDrag.gif";

        var but2on = new Image();
        but2on.src = "img/porcelain_a.gif";
        var but2off = new Image();
        but2off.src = "img/porcelain.gif";

        var but3on = new Image();
        but3on.src = "img/artists_club_a.gif";
        var but3off = new Image();
        but3off.src = "img/artists_club.gif";


}



function img_act(imgName) {
        if (document.images) {
                if(imgName != actualImage) { 
                        imgOn = eval(imgName + "on.src");
                        document [imgName].src = imgOn;
                }
                else{
                        imgOn = eval(imgName + "on.src");
                        document [imgName].src = imgOn;
                }
        }
}

function img_inact(imgName) {
        if (document.images) {
                if(imgName != actualImage) {
                        imgOff = eval(imgName + "off.src");
                        document [imgName].src = imgOff;
                }
                else{
                        imgOff=eval(imgName + "off.src");
                        document[imgName].src = imgOn;
               }
        }
}

function img_set(imgName) {
        if(document.images) {
                oldImage = actualImage;
                actualImage = imgName;
                img_inact(oldImage);
                img_act(actualImage);
        }
}

function changeFrame67(URL1,F1,URL2,F2) {  
		parent.frames[F1].location.href=URL1;
		parent.frames[F2].location.href=URL2;		
}