function SwapImage(ImageName,ImageFile){
         Image1=new Image(119,39);
         Image1.src = ImageFile;
         document[ImageName].src = Image1.src;
         return true;
}


function showStartShadowTop() {
   if (document.getElementById) {
      document.getElementById("shadowmenuepointstarttop").style.visibility = "visible";
      //document.getElementById("shadowmenuepointstarttop").style.top = _top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointstarttop.style.visibility = "visible";
      //document.all.shadowmenuepointstarttop.style.top = _top + "px";
   }
}

function showStartShadowLeft() {
   if (document.getElementById) {
	  document.getElementById("shadowmenuepointstartleft").style.visibility = "visible";
      //document.getElementById("shadowmenuepointstartleft").style.top = _top + "px";
   }
   else if (document.all) {
	  document.all.shadowmenuepointstartleft.style.visibility = "visible";
      //document.all.shadowmenuepointstartleft.style.top = _top + "px";
   }
}

function showShadowTop(_index) {
   var top = _index + (25 * _index ) - 1;
   if (document.getElementById) {
      document.getElementById("shadowmenuepointtop").style.visibility = "visible";
      document.getElementById("shadowmenuepointtop").style.top = top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointtop.style.visibility = "visible";
      document.all.shadowmenuepointtop.style.top = _top + "px";
   }
}

function showShadowTopAktiv(_index) {
   var top = _index + (25 * _index ) - 1;
   if (document.getElementById) {
      document.getElementById("shadowmenuepointtopaktiv").style.visibility = "visible";
      document.getElementById("shadowmenuepointtopaktiv").style.top = top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointtopaktiv.style.visibility = "visible";
      document.all.shadowmenuepointtopaktiv.style.top = _top + "px";
   }
}

function showShadowLeft(_index) {
   var top = _index + (25 * _index ) - 1;
   if (document.getElementById) {
      document.getElementById("shadowmenuepointleft").style.visibility = "visible";
      document.getElementById("shadowmenuepointleft").style.top = top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointleft.style.visibility = "visible";
      document.all.shadowmenuepointleft.style.top = _top + "px";
   }
}

function showShadowBottom(_index) {
   var top = 29 + (26 * _index );
   if (document.getElementById) {
      document.getElementById("shadowmenuepointbottom").style.visibility = "visible";
      document.getElementById("shadowmenuepointbottom").style.top = top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointbottom.style.visibility = "visible";
      document.all.shadowmenuepointbottom.style.top = _top + "px";
   }
}

function showShadowBottomAktiv(_index) {
   var top = 29 + (26 * _index );
   if (document.getElementById) {
      document.getElementById("shadowmenuepointbottomaktiv").style.visibility = "visible";
      document.getElementById("shadowmenuepointbottomaktiv").style.top = top + "px";
   }
   else if (document.all) {
      document.all.shadowmenuepointbottomaktiv.style.visibility = "visible";
      document.all.shadowmenuepointbottomaktiv.style.top = _top + "px";
   }
}

function disableShadow() {
   if (document.getElementById) {
      document.getElementById("shadowmenuepointstarttop").style.visibility = "hidden";
	  document.getElementById("shadowmenuepointstartleft").style.visibility = "hidden";
      document.getElementById("shadowmenuepointtop").style.visibility = "hidden";
      document.getElementById("shadowmenuepointtopaktiv").style.visibility = "hidden";
      document.getElementById("shadowmenuepointleft").style.visibility = "hidden";
      document.getElementById("shadowmenuepointbottom").style.visibility = "hidden";
      document.getElementById("shadowmenuepointbottomaktiv").style.visibility = "hidden";
   }
   else if (document.all) {
      document.all.shadowmenuepointstarttop.style.visibility = "hidden";
	  document.all.shadowmenuepointstartleft.style.visibility = "hidden";
      document.all.shadowmenuepointtop.style.visibility = "hidden";
      document.all.shadowmenuepointtopaktiv.style.visibility = "hidden";
      document.all.shadowmenuepointleft.style.visibility = "hidden";
      document.all.shadowmenuepointbottom.style.visibility = "hidden";
      document.all.shadowmenuepointbottomaktiv.style.visibility = "hidden";
   }
}