var ie4 = (document.all) ? true:false;
var ns4 = (document.layers) ? true:false;
var w3c = (document.getElementById && !document.all) ? true:false;
var timerid1 = 0;
//
// ####### alapfugvenyek #######
//
function movemenus(submenu,xpos,ypos) {
  if (ie4) {
    submenuobj = eval("document.all." + submenu);
    bodyobj = eval("document.body");
    //submenuobj.style.top = bodyobj.scrollTop + bodyobj.clientHeight/2 - 210 + ypos;
    submenuobj.style.left = bodyobj.scrollLeft + bodyobj.clientWidth/2 - 380 + xpos;
  }
  if (ns4) {
    submenuobj = eval("document.layers['" + submenu + "']");
    bodyobj = eval("top");
    //submenuobj.top = bodyobj.pageYOffset + window.innerHeight/2 - 210 + ypos;
	submenuobj.left = bodyobj.pageYOffset + window.innerWidth/2 - 380 + xpos;
  }
  if (w3c) {
    submenuobj = eval("document.getElementById('" + submenu + "')");
	bodyobj = eval("top");
    //submenuobj.style.top = bodyobj.pageYOffset + window.innerHeight/2 - 210 + ypos;
	submenuobj.style.left = bodyobj.pageYOffset + window.innerWidth/2 - 380 + xpos;	
  }
}
function submenuOn(submenu) {
  if (ie4) {
    submenuobj = eval("document.all." + submenu);
    submenuobj.style.visibility = "visible";
    //submenuobj.style.top = 20;
  }
  if (ns4) {
    submenuobj = eval("document.layers['" + submenu + "']");
    submenuobj.visibility = "show";
    //submenuobj.top = 20;
  }
  if (w3c) {
    submenuobj = eval("document.getElementById('" + submenu + "')");
    submenuobj.style.visibility = "visible";
    //submenuobj.style.top = 20;
  }
}
function submenuOff(submenu) {
  if (ie4) {
    submenuobj = eval("document.all." + submenu);
    submenuobj.style.visibility = "hidden";
  }
  if (ns4) {
    submenuobj = eval("document.layers['" + submenu + "']");
    submenuobj.visibility = "hide";
  }
  if (w3c) {
    obj = eval("document.getElementById('" + submenu + "')");
    obj.style.visibility = "hidden";
  }
}

//
// ####### idozitett KIkapcsolas #######
//
/*
function submenu_t_off(submenu) {
  timerid1 = setTimeout(eval("submenuOff('" + submenu + "')"), 350);
}
*/
function submenu_t_off() {
  timerid1 = setTimeout("submenuOff('prog')", 500);
}