function parenName(ref)
	{
	ok=0; // it's just to start the loop, we don't use it to get out.
	while (!ok)
		{
		ref = ref.parentNode;
		if (ref.nodeType==1) //check that the node is a tag, not text (type=3)
			{
			if (String(ref.nodeName)=="DIV")
				{
				return (ref.id);
				}
			if (String(ref.nodeName)=="BODY")
				{
				return alert('nothing found');
				}
			}
		}
	}

function elSize(hoo){
	A=[Math.max(hoo.scrollWidth,hoo.offsetWidth),
	Math.max(hoo.scrollHeight,hoo.offsetHeight)];	
	return A;}

blClear = 0;
function clearSch()
{
	if (blClear == 0)
	{
		document.searchform.search.value = '';
		blClear = 1;
	}
}
sfHover = function() {
	var sfEls = document.getElementById("m1").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) 
	{         
		sfEls[i].onmouseover=function() 
		{             
			this.className+=" sfhover";         
		}         		
		sfEls[i].onmouseout=function()
		{             
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");         
		}     	} 
} 
if (window.attachEvent) window.attachEvent("onload", sfHover); 
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

function PopUp_DCbook1() {
	houston=window.open("/magazine/handbooks/DChand1.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function PopUp_DCbook2() {
	houston=window.open("/magazine/handbooks/DChand2.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function PopUp_DCbook3() {
	houston=window.open("/magazine/handbooks/DChand3.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function PopUp_HPbook1() {
	houston=window.open("/magazine/handbooks/HPhand1.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function PopUp_HPbook2() {
	houston=window.open("/magazine/handbooks/HPhand2.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function PopUp_HPbook3() {
	houston=window.open("/magazine/handbooks/HPhand3.html","headercap","toolbar=no,location=no,status=no,menubar=no,resizable=no,scrollbars=yes,height=300,width=400");
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

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_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_findObj(n, d) { //v3.0
  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); 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];}
}