//Image preload

var offImage = new Array();
offImage["btn1"] = new Image(50,22);
offImage["btn2"] = new Image(124,22);
offImage["btn3"] = new Image(96,22);
offImage["btn4"] = new Image(82,22);
offImage["btn5"] = new Image(50,22);

offImage["btn1"].src = "BtnHome1.gif";
offImage["btn2"].src = "BtnLitByMod1.gif";
offImage["btn3"].src = "BtnBullLibrary1.gif";
offImage["btn4"].src = "BtnSvcKits1.gif";
offImage["btn5"].src = "BtnHelp1.gif";

var overImage = new Array();
overImage["btn1"] = new Image(50,22);
overImage["btn2"] = new Image(124,22);
overImage["btn3"] = new Image(96,22);
overImage["btn4"] = new Image(82,22);
overImage["btn5"] = new Image(50,22);

overImage["btn1"].src = "BtnHome2.gif";
overImage["btn2"].src = "BtnLitByMod2.gif";
overImage["btn3"].src = "BtnBullLibrary2.gif";
overImage["btn4"].src = "BtnSvcKits2.gif";
overImage["btn5"].src = "BtnHelp2.gif";

var selImage = new Array();
selImage["btn1"] = new Image(50,22);
selImage["btn2"] = new Image(124,22);
selImage["btn3"] = new Image(96,22);
selImage["btn4"] = new Image(82,22);
selImage["btn5"] = new Image(50,22);

selImage["btn1"].src = "BtnHome3.gif";
selImage["btn2"].src = "BtnLitByMod3.gif";
selImage["btn3"].src = "BtnBullLibrary3.gif";
selImage["btn4"].src = "BtnSvcKits3.gif";
selImage["btn5"].src = "BtnHelp3.gif";