function openWin(){
   document.objfrm.target='_self';
   document.objfrm.submit();
}

var text_1_on = new Image();
var text_2_on = new Image();
var text_3_on = new Image();
var text_4_on = new Image();
var text_5_on = new Image();
text_1_on.src = "images/text_1_on.gif";
text_2_on.src = "images/text_2_on.gif";
text_3_on.src = "images/text_3_on.gif";
text_4_on.src = "images/text_4_on.gif";
text_5_on.src = "images/text_5_on.gif";
function chgImg(objName,opt) {
  //var obj;
  //obj = new Image();
  //obj = document.getElementByName(objName);
  if (opt == 1) {
    if (objName == "text_1") {
     document.images[objName].src = text_1_on.src;
    } else if (objName == "text_2") {
     document.images[objName].src = text_2_on.src;
    } else if (objName == "text_3") {
     document.images[objName].src = text_3_on.src;
    } else if (objName == "text_4") {
     document.images[objName].src = text_4_on.src;
    } else {
     document.images[objName].src = text_5_on.src;
    }
  } else {
    if (objName == "text_1") {
     document.images[objName].src = "images/text_1.gif";
    } else if (objName == "text_2") {
     document.images[objName].src = "images/text_2.gif";
    } else if (objName == "text_3") {
     document.images[objName].src = "images/text_3.gif";
    } else if (objName == "text_4") {
     document.images[objName].src = "images/text_4.gif";
    } else {
     document.images[objName].src = "images/text_5.gif";
    }
  }
}