if(document.images)
{
imgoff1  = new Image();  imgoff1.src  = "Obrazki/menu_01.gif";
imgon1  = new Image();  imgon1.src  = "Obrazki/menu_01_a.gif";
imgoff2  = new Image();  imgoff2.src  = "Obrazki/menu_02.gif";
imgon2  = new Image();  imgon2.src  = "Obrazki/menu_02_a.gif";
imgoff3  = new Image();  imgoff3.src  = "Obrazki/menu_03.gif";
imgon3  = new Image();  imgon3.src  = "Obrazki/menu_03_a.gif";
imgoff4  = new Image();  imgoff4.src  = "Obrazki/menu_04.gif";
imgon4  = new Image();  imgon4.src  = "Obrazki/menu_04_a.gif";
imgoff5  = new Image();  imgoff5.src  = "Obrazki/menu_05.gif";
imgon5  = new Image();  imgon5.src  = "Obrazki/menu_05_a.gif";
imgoff6  = new Image();  imgoff6.src  = "Obrazki/menu_06.gif";
imgon6  = new Image();  imgon6.src  = "Obrazki/menu_06_a.gif";
imgoff7  = new Image();  imgoff7.src  = "Obrazki/menu_07.gif";
imgon7  = new Image();  imgon7.src  = "Obrazki/menu_07_a.gif";
imgoff8  = new Image();  imgoff8.src  = "Obrazki/menu_08.gif";
imgon8  = new Image();  imgon8.src  = "Obrazki/menu_08_a.gif";
imgoff9  = new Image();  imgoff9.src  = "Obrazki/menu_09.gif";
imgon9  = new Image();  imgon9.src  = "Obrazki/menu_09_a.gif";
imgoff10  = new Image();  imgoff10.src  = "Obrazki/menu_10.gif";
imgon10  = new Image();  imgon10.src  = "Obrazki/menu_10_a.gif";
imgoff11  = new Image();  imgoff11.src  = "Obrazki/menu_12.gif";
imgon11  = new Image();  imgon11.src  = "Obrazki/menu_12_a.gif";
imgoff12  = new Image();  imgoff12.src  = "Obrazki/menu_11.gif";
imgon12  = new Image();  imgon12.src  = "Obrazki/menu_11_a.gif";
imgoff13  = new Image();  imgoff13.src  = "Obrazki/menu_13.gif";
imgon13  = new Image();  imgon13.src  = "Obrazki/menu_13_a.gif";


imgoff14  = new Image();  imgoff14.src  = "Obrazki/pdf_1.gif";
imgon14  = new Image();  imgon14.src  = "Obrazki/pdf_2.gif";
imgoff15  = new Image();  imgoff15.src  = "Obrazki/excel_1.gif";
imgon15  = new Image();  imgon15.src  = "Obrazki/excel_2.gif";

imgoff16  = new Image();  imgoff16.src  = "Obrazki/menu_16.gif";
imgon16  = new Image();  imgon16.src  = "Obrazki/menu_16_a.gif";

imgoff17  = new Image();  imgoff17.src  = "Obrazki/linki_1.gif";
imgon17  = new Image();  imgon17.src  = "Obrazki/linki_1_a.gif";


imgoff18  = new Image();  imgoff18.src  = "Obrazki/word_1.gif";
imgon18  = new Image();  imgon18.src  = "Obrazki/word_2.gif";

imgoff19  = new Image();  imgoff19.src  = "Obrazki/menu_19.gif";
imgon19  = new Image();  imgon19.src  = "Obrazki/menu_19_a.gif";
}