var imgid1_over = "App_Themes/Main/Images/img_top1_over.jpg";
var imgid1_out = "App_Themes/Main/Images/img_top1.jpg";
var imgid2_over = "App_Themes/Main/Images/img_top2_over.jpg";
var imgid2_out = "App_Themes/Main/Images/img_top2.jpg";

var imgid3_over = "App_Themes/Main/Images/center_prog2_over.jpg";
var imgid3_out = "App_Themes/Main/Images/center_prog2.jpg";
var imgid4_over = "App_Themes/Main/Images/center_sist2_over.jpg";
var imgid4_out = "App_Themes/Main/Images/center_sist2.jpg";

var imgid1 = new Image();
imgid1.src = imgid1_over;
var imgid2 = new Image();
imgid2.src = imgid2_over;
var imgid3 = new Image();
imgid3.src = imgid3_over;
var imgid4 = new Image();
imgid4.src = imgid4_over;

function GetRollOver(sender, id) {
    sender.src = eval(id + "_over");
}

function GetRollOut(sender, id) {
    sender.src = eval(id + "_out");
}