function showHideLayers() {

  var i,p,v,obj,args= showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }

    obj.visibility=v;
    if (v =='visible')
    {
    	obj.position = 'static';
    	obj.display = 'block';
    }
    else // hidden divs.
    {
    	obj.position = 'absolute';
    	obj.display = 'none';
    }
    }
}
function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function swapImage() {
	var i, myImg, swap, args= swapImage.arguments;
	for (i=0; i<(args.length-2); i+=3)
	{
		myImg=findObj(args[i]);
		if (myImg != null)
		{
			swap = args[i+2];
			if(swap == "std")
  			{
  				myImg.src = myImg.src.replace("_over", "_std");
			}
  			else
  			{
  				myImg.src = myImg.src.replace("_std", "_over");
  			}
  		}
  	}
}
function showHideImage (){
	var i, myImg, show, args= showHideImage.arguments;
	for (i=0; i<(args.length-2); i+=3)
	{
		myImg=findObj(args[i]);
		if (myImg != null)
		{
			show = args[i+2];
			if(show == "show")
  			{
  				myImg.style.display = 'inline';
			}
  			else
  			{
  				myImg.style.display = 'none';
  			}
  		}
	}
}

function changeBG(newImageName, divName)
{
	var divBG = findObj(divName);
	var newimage =  "url(" + newImageName +")"; // the newImageName must be the full URL from the CSS that holds the divName.
	divBG.style.backgroundImage = newimage;
}

/*RC
function changeClass()
{
	var obj, objName, newclass, args = changeClass.arguments;

	for (i=0; i<(args.length-2); i+=3)
	{
		objName = args[i];
		newclass = args[i+2];
		obj = findObj(objName);

		obj.setAttribute("class", newclass); //For Most Browsers
		obj.setAttribute("className", newclass); //For IE; harmless to other browsers.
	}
}
*/

<!-- Menu Left -->
function showHide(shID) {
	if (document.getElementById(shID)) {

		if (document.getElementById(shID+'-show').style.display != 'none')
		{

			document.getElementById(shID+'-show').style.display = 'none';
			document.getElementById(shID+'-hide').style.display = 'inline';
			document.getElementById(shID).style.display = 'block';
		}
		else if (document.getElementById(shID+'-show').style.display != 'inline')
				{

			document.getElementById(shID+'-show').style.display = 'inline';
			document.getElementById(shID+'-hide').style.display = 'none';
			document.getElementById(shID).style.display = 'none';
		}

		else {
			document.getElementById(shID+'-show').style.display = 'inline';
			document.getElementById(shID+'-hide').style.display = 'none';
			document.getElementById(shID).style.display = 'none';
		}
	}
}

<!-- End Menu Left -->