var winw, posleft, bktd=document.getElementById("idbkt"), bktvald=document.getElementById("idbktval"),
preloadFlag = false, linkpopwindow, tjpopwindow;
var desmenutbd=document.getElementById("idesmenutb"), desmenuvis=false, desmenuyt, desmenuyb,  xpos, ypos;

var ie = document.all ? 1 : 0;
var nn = (navigator.vendor == 'Netscape' || navigator.vendor == 'Netscape6') ? 1 : 0;

set_pos();
window.onunload = closepopup;

if (!ie)
{
  window.captureEvents(Event.MOUSEMOVE);
  document.captureEvents (Event.MOUSEDOWN);
}

document.onmousemove=trackmouse;
document.oncontextmenu = nocontext; 
document.onmousedown = noclick; 
document.onmouseup = noclick;

function set_pos()
{
  winw = document.body.clientWidth;
  if (winw > 792)
    posleft =  (winw - 792)/2;
  else
    posleft = 0;
  bktd.style.left=posleft + 678 + "px";
  desmenutbd.style.left=posleft + 499 + "px";
  bktd.style.visibility = "visible";
}

function trackmouse(e)
{
   xpos = (document.all) ? event.x + document.body.scrollLeft : e.pageX;
   ypos = (document.all) ? event.y + document.body.scrollTop : e.pageY;
 
  if (desmenuvis)
  {
     if ((xpos < (posleft + 490) || xpos > (posleft + 785)) || (ypos < desmenuyt || ypos > desmenuyb))
         hidedesmenu()
  }
}

function showdesmenu()
{
    desmenuyt = ypos - 26;
    desmenuyb = ypos + 148;
    desmenutbd.style.visibility = "visible";
    desmenuvis = true;
}
function hidedesmenu()
{
    desmenutbd.style.visibility = "hidden";
    changeImages('prodespic', 'images/hyp_prod_des.gif');
    desmenuvis = false;
}

function nocontext() 
{
  return false;
} 

function noclick(e)
{
  if (!ie)
  {
    if (e.which > 1) 
       return false;
  }
  else
  {
    if (event.button > 1) 
       return false;
  }
}

function newImage(arg) 
{
	if (document.images) 
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() 
{
	if (document.images && (preloadFlag == true)) 
	{
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function preloadImagesg() 
{
	if (document.images) 
	{
		bktitems_over = newImage("images/bktitems-over.gif");
		hyp_prod_rl_over = newImage("images/hyp_prod_rl-over.gif");
		hyp_prod_pu_over = newImage("images/hyp_prod_pu-over.gif");
		hyp_prod_des_over = newImage("images/hyp_prod_des-over.gif");
		hyp_prod_k9_over = newImage("images/hyp_prod_k9-over.gif");
		hyp_prod_eq_over = newImage("images/hyp_prod_eq-over.gif");
		hyp_prod_kit_over = newImage("images/hyp_prod_kit-over.gif");
		hyp_inf_inv_over = newImage("images/hyp_inf_inv-over.gif");
		hyp_inf_pod_over = newImage("images/hyp_inf_pod-over.gif");
		hyp_inf_geo_over = newImage("images/hyp_inf_geo-over.gif");
		hyp_inf_med_over = newImage("images/hyp_inf_med-over.gif");
		hyp_inf_myth_over = newImage("images/hyp_inf_myth-over.gif");
		hyp_about_over = newImage("images/hyp_about-over.gif");
		hyp_contact_over = newImage("images/hyp_contact-over.gif");
		hyp_test_over = newImage("images/hyp_test-over.gif");
		hyp_home_over = newImage("images/hyp_home-over.gif");
		hyp_trade_over = newImage("images/hyp_trade-over.gif");
		hyp_prod_desaqturq_over = newImage("images/hyp_prod_desaqturq-over.gif");
		hyp_prod_desturq_over = newImage("images/hyp_prod_desturq-over.gif");
		hyp_prod_desperl_over = newImage("images/hyp_prod_desperl-over.gif");
		hyp_prod_destigr_over = newImage("images/hyp_prod_destigr-over.gif");
		hyp_prod_desonyx_over = newImage("images/hyp_prod_desonyx-over.gif");
		hyp_prod_desjasp_over = newImage("images/hyp_prod_desjasp-over.gif");
		hyp_prod_deschrys_over = newImage("images/hyp_prod_deschrys-over.gif");
		preloadFlag = true;
	}
   window.onresize=set_pos;
}

function bktover(overind)
{
   if (overind == 1)
   {
	changeImages('bktitemspic', bktitems_over.src);
	bktvald.style.color='#c4e1ff';
   }
   else
   {
	changeImages('bktitemspic', 'images/bktitems.gif');
	bktvald.style.color='#666666';
   }
}

function linkpopup(linkurl)
{
   if (linkpopwindow != null) linkpopwindow.close();
   linkpopwindow= window.open(linkurl, "", "top=5, left=5, width=795, height=570, scrollbars, resizable");
}

function tjpopup(popurl)
{
   if (tjpopwindow != null) tjpopwindow.close();
   tjpopwindow= window.open(popurl, "", "top=5, left=5, width=795, height=570, scrollbars, resizable");
}
function closepopup()
{
   if (linkpopwindow != null) linkpopwindow.close();
   if(tjpopwindow != null) tjpopwindow.close();
}