/* Hycontrol
   Javascript Document
   
   14 June 2006, Aimee Holman for Icomm Technologies
   0121 248 7878  www.icommtechnologies.co.uk
 */

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}



cid = "";

// function nowDisplay() - uses the global variable 'cid'
// only permits one sub-menu to be displayed at a time.
function nowDisplay(id){
  //alert ("Current item is :" + cid + "\nRequested item is: " + id);
  ul = "ul_" + id;
  img = "img_" + id;
  cul = "ul_" + cid;
  cimg = "img_" + cid;
  ulElement = document.getElementById(ul);
  imgElement = document.getElementById(img);
  culElement = document.getElementById(cul);
  cimgElement = document.getElementById(cimg);

  //close current sub-menu if a [different] menu is open
  if ((culElement)&&(cid!=id)){
    if (cid != ""){
	  if (culElement.className == 'open'){
			culElement.className = "closed";
			/*(cid==1)?cimgElement.src = "images/interface/productsClosed/continuous-level.gif":"";
			(cid==2)?cimgElement.src = "images/interface/productsClosed/point-switch-level.gif":"";
			(cid==3)?cimgElement.src = "images/interface/productsClosed/ancillary-equipment.gif":"";*/
	  } 
	}
  }
  // turn on new sub-menu if available
  if (ulElement){
    // allow menu toggling (can close current menu if open)
	if (ulElement.className == 'closed'){
	  ulElement.className = "open";
	  //imgElement.src = "../images/interface/productsOpen/continuous-level.gif";
	  /*(id==1)?imgElement.src = "images/interface/productsOpen/continuous-level.gif":"";
	  (id==2)?imgElement.src = "images/interface/productsOpen/point-switch-level.gif":"";
	  (id==3)?imgElement.src = "images/interface/productsOpen/ancillary-equipment.gif":"";*/
	}else{
	  ulElement.className = "closed";
	  //imgElement.src = "../images/interface/productsClosed/continuous-level.gif";
	  /*(id==1)?imgElement.src = "images/interface/productsClosed/continuous-level.gif":"";
	  (id==2)?imgElement.src = "images/interface/productsClosed/point-switch-level.gif":"";
	  (id==3)?imgElement.src = "images/interface/productsClosed/ancillary-equipment.gif":"";*/
	  cid = "";
	}
  }
  // store new id as the current id
  cid=id;
  return false;
}


// function startWith() - sets the global variable 'cid'
// used to open a sub-menu on page load.
function startWith(id){
  ul = "ul_" + id;
  img = "img_" + id;
  ulElement = document.getElementById(ul);
  imgElement = document.getElementById(img);
  
  ulElement.className = "open";
  /*(id==1)?imgElement.src = "images/interface/productsOpen/continuous-level.gif":"";
  (id==2)?imgElement.src = "images/interface/productsOpen/point-switch-level.gif":"";
  (id==3)?imgElement.src = "images/interface/productsOpen/ancillary-equipment.gif":"";*/

  // store new id as the current id
  cid=id;
}