//Left.js

{
roll0 = new Image();
roll0.src = "mars.gif";

roll1 = new Image();
roll1.src = "Rgene.gif";

roll2 = new Image();
roll2.src = "Rpath.gif";

roll3 = new Image();
roll3.src = "Rmiss.gif";

roll4 = new Image();
roll4.src = "Rchron.gif";

roll5 = new Image();
roll5.src = "Rlife.gif";

roll6 = new Image();
roll6.src = "Rcolon.gif";

roll7 = new Image();
roll7.src = "Rinter.gif";

but1 = new Image();
but1.src = "Sgen.gif";
but1h = new Image();
but1h.src = "Sgenh.gif";

but2 = new Image();
but2.src = "Spath.gif";
but2h = new Image();
but2h.src = "Spathh.gif";

but3 = new Image();
but3.src = "Smiss.gif";
but3h = new Image();
but3h.src = "Smissh.gif";

but4 = new Image();
but4.src = "Schron.gif";
but4h = new Image();
but4h.src = "Schronh.gif";

but5 = new Image();
but5.src = "Slife.gif";
but5h = new Image();
but5h.src = "Slifeh.gif";

but6 = new Image();
but6.src = "Scolon.gif";
but6h = new Image();
but6h.src = "Scolonh.gif";

but7 = new Image();
but7.src = "Sinter.gif";
but7h = new Image();
but7h.src = "Sinterh.gif";

but8 = new Image();
but8.src = "Scolonsm.gif"
but8h = new Image();
but8h.src = "Scolonsm.gif"

but9 = new Image();
but9.src = "Sintersm.gif"
but9h = new Image();
but9h.src = "Sintersm.gif"

but10 = new Image();
but10.src  = "Slifesm.gif"
but10h = new Image();
but10h.src  = "Slifesm.gif"

but11 = new Image();
but11.src = "Spathsm.gif"
but11h = new Image();
but11h.src = "Spathsm.gif"

but12 = new Image();
but12.src = "Sgensm.gif"
but12h = new Image();
but12h.src = "Sgensm.gif"

but13 = new Image();
but13.src = "Smisssm.gif"
but13h = new Image();
but13h.src = "Smisssm.gif"

but14 = new Image();
but14.src = "Schronsm.gif" 
but14h = new Image();
but14h.src = "Schronsm.gif" 

}

function changeImage(imgDocID,imgObjName,imgDocID2,imgObjName2) {
//  manages mouse click image behaviours
//   imgDocID - the name or number of the document image to be replaced
//   imgObjName - the name of the image object to be swapped in

{
document.images[imgDocID].src = eval(imgObjName + ".src");
document.images[imgDocID2].src = eval(imgObjName2 + ".src");
}

}