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normal1 = new Image();		normal1.src = "tr1_1.gif";
high1 = new Image();		high1.src = "tr1_1h.gif";

normal2 = new Image();		normal2.src = "tr1_5.gif";
high2 = new Image();		high2.src = "tr1_5h.gif";

normal3 = new Image();		normal3.src = "tr3_1.gif";
high3 = new Image();		high3.src = "tr3_1h.gif";

normal4 = new Image();		normal4.src = "tr3_5.gif";
high4 = new Image();		high4.src = "tr3_5h.gif";

normal5 = new Image();		normal5.src = "tr5_1.gif";
high5 = new Image();		high5.src = "tr5_1h.gif";

normal6 = new Image();		normal6.src = "tr5_3.gif";
high6 = new Image();		high6.src = "tr5_3h.gif";

normal7 = new Image();		normal7.src = "tr5_4.gif";
high7 = new Image();		high7.src = "tr5_4h.gif";

normal8 = new Image();		normal8.src = "tr5_5.gif";
high8 = new Image();		high8.src = "tr5_5h.gif";

function changePic(imgNo,prop) {
document.images[imgNo].src = eval(prop+".src");
}
//-->