////
// Removes whitespace and comment nodes from the DOM tree.
//
// @author unknown
// @date unknown
// @updater PJ
// @updated 2005 07 20
// @update extended function to also remove comment nodes from the DOM tree
// @param node the root of the DOM tree that is of concern
////
var notWhitespace = /\S/;
function cleanWhitespace(node)
{
	if (node) 
	{
		for (var i = 0; i < node.childNodes.length; i++)
		{
			var childNode = node.childNodes[i];
			if (((childNode.nodeType == 3) && (!notWhitespace.test(childNode.nodeValue))) || childNode.nodeType == 8)
			{
				// that is, if it's a whitespace text node or comment node
				node.removeChild(node.childNodes[i]);
				i--;
			}
			if (childNode.nodeType == 1)
			{
				// elements can have text child nodes of their own
				cleanWhitespace(childNode);
			}
		}
	}
}

cleanWhitespace(document.body);



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) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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];}
}



function gofish(x){
		var x = document.forms[x];
		window.open ("cpha_modules_answers.asp", "NewWindow","menubar=0,resizable=1,width=350,height=250");
		x.submit();
		
}

var newwin;
var javascript_version = 1.1;

function launchwin(winurl,winname,winfeatures)
{
	//This launches a new window and then
	//focuses it if window.focus() is supported.
	newwin = window.open(winurl,winname,winfeatures);
	if(javascript_version > 1.0)
	{
		//delay a bit here because IE4 encounters errors
		//when trying to focus a recently opened window
 		setTimeout('newwin.focus();',250);
	}
}

function new_popup(url,windowopen,features) {

link = window.open(url,windowopen,features);

}