/***********************************************
* Drop Down/ Overlapping Content- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
* Hacket litt av Trygve for å få lukking og åpning til å funkelunke
***********************************************/

function getposOffset(overlay, offsettype) {

   var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
   var parentEl=overlay.offsetParent;
   while (parentEl!=null) {
      totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
      parentEl=parentEl.offsetParent;
   }
   return totaloffset;
}

function overlay(curobj, subobjstr, opt_position) {

   if (document.getElementById(subobjstr).style.display == 'none') {

      if (document.getElementById) {

         var subobj=document.getElementById(subobjstr)
         subobj.style.display=(subobj.style.display!="block")? "block" : "none"
         //var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
         //var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
         //subobj.style.left=xpos+"px"
         //subobj.style.top=ypos+"px"
      curobj.value="-"
         return false
      } else {
         return true
      }

   } else {
      curobj.value="+"
      document.getElementById(subobjstr).style.display="none"

   }
}


function overlayclose(subobj) {
   document.getElementById(subobj).style.display="none"
}