var img1_src = "http://img.diytrade.com/cdimg/213464/647284/0/1101982245.jpg";
var img2_src = "";
var img3_src = "";
var img4_src = "";
var img5_src = "";
var img1_normal_code = "";
var img2_normal_code = "";
var img3_normal_code = "";
var img4_normal_code = "";
var img5_normal_code = "";
function changeimage(imgid){
var oimgpos = document.getelementbyid("image_normal_id");
oimgpos.href = eval(imgid + "_src");
oimgpos.innerhtml = eval(imgid + "_normal_code");
return false;
}