// JavaScript Document

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];}
}


plusImg = new Image(); plusImg.src   = './images/plus.gif';
minusImg = new Image(); minusImg.src = './images/minus.gif';

function hideLevel( _levelId, _imgId ) 
{
	var thisLevel = document.getElementById( _levelId );
	var thisImg = document.getElementById( _imgId );
	thisLevel.style.display = "none";
	thisImg.src = plusImg.src;
}

function showLevel( _levelId, _imgId ) 
{
	hideAll();
	var thisLevel = document.getElementById( _levelId );
	var thisImg = document.getElementById( _imgId );
	if ( thisLevel.style.display == "none") {
		thisLevel.style.display = "inline";
		thisImg.src = minusImg.src;
	}
	else {
		hideLevel( _levelId, _imgId);
	}
}


function showLevelii( _levelId, _imgId ) 
{
	var thisLevel = document.getElementById( _levelId );
	var thisImg = document.getElementById( _imgId );
	if ( thisLevel.style.display == "none") {
		thisLevel.style.display = "inline";
		thisImg.src = minusImg.src;
	}
	
}

function showServices()
{
        showLevelii("upd1", "upd1_img");
        showLevelii("upd2", "upd2_img");
        showLevelii("upd3", "upd3_img");
		showLevelii("upd4", "upd4_img");
        hideLevel("upd5", "upd5_img");
        hideLevel("upd6", "upd6_img");
        hideLevel("upd7", "upd7_img");
        hideLevel("upd8", "upd8_img");
		hideLevel("upd9", "upd9_img");
}

function showSuppliers()
{
        hideLevel("upd1", "upd1_img");
   	 	hideLevel("upd2", "upd2_img");
    	hideLevel("upd3", "upd3_img");
		hideLevel("upd4", "upd4_img");
        showLevelii("upd5", "upd5_img");
        showLevelii("upd6", "upd6_img");
        showLevelii("upd7", "upd7_img");
		hideLevel("upd8", "upd8_img");
		hideLevel("upd9", "upd9_img");
}

function hidebAll()
{
        hideLevel("upd1", "upd1_img");
        hideLevel("upd2", "upd2_img");
        hideLevel("upd3", "upd3_img");
        hideLevel("upd4", "upd4_img");
}


function hideaAll()
{
        hideLevel("upd5", "upd5_img");
        hideLevel("upd6", "upd6_img");
        hideLevel("upd7", "upd7_img");
        hideLevel("upd8", "upd8_img");
		hideLevel("upd9", "upd9_img");
}

function hideAll()
{
		hideLevel("upd1", "upd1_img");
        hideLevel("upd2", "upd2_img");
        hideLevel("upd3", "upd3_img");
        hideLevel("upd4", "upd4_img");
		hideLevel("upd5", "upd5_img");
        hideLevel("upd6", "upd6_img");
        hideLevel("upd7", "upd7_img");
        hideLevel("upd8", "upd8_img");
		hideLevel("upd9", "upd9_img");
}