function swapCategory(obj)
{
	var rubriek_array
	rubriek_array = document.getElementsByTagName("div");
	
	for(i=0;i<rubriek_array.length;i++)
	{
		if(rubriek_array[i].className == "rubriek_show")
		{
			rubriek_array[i].className = "rubriek";
		}
	}

	if(obj.className == "rubriek")
	{
		obj.className = "rubriek_show";
	}
	else
	{
		obj.className = "rubriek";
	}
}
function question(question)
{                        
	if (confirm(question))   
	{                       
		return true;
	}
	else         
	{                    
		return false;
	}           
}
function bookJumpBox(obj)
{
	var book_name = obj.options[obj.selectedIndex].text;
	book_name = book_name.replace(/\s+/g,"_");
	book_name = book_name.replace(/\'/g,"");
	
	this.location = "/Book/" + book_name + "/" + obj.value + "/1";
}

function bookPopup(book_id)
{
	
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

		function getElementsByTagNames(list,obj) {
			if (!obj) var obj = document;
			var tagNames = list.split(',');
			var resultArray = new Array();
			for (var i=0;i<tagNames.length;i++) {
				var tags = obj.getElementsByTagName(tagNames[i]);
				for (var j=0;j<tags.length;j++) {
					resultArray.push(tags[j]);
				}
			}
			var testNode = resultArray[0];
			if (!testNode) return [];
			if (testNode.sourceIndex) {
				resultArray.sort(function (a,b) {
						return a.sourceIndex - b.sourceIndex;
				});
			}
			else if (testNode.compareDocumentPosition) {
				resultArray.sort(function (a,b) {
						return 3 - (a.compareDocumentPosition(b) & 6);
				});
			}
			return resultArray;
		}
	
	
	
	
		function replaceVoornaam(x)
		{
			var el = getElementsByTagNames('span');
			var el2 = document.getElementsByName('voorbeeld_voornaam');
			
			for(i=0;i<el2.length;i++)
			{
				el2[i].innerHTML = x;
			
			}
			
			for(i=0;i<el.length;i++)
			{
				if(el[i].name == "voorbeeld_voornaam")
				{
					el[i].innerHTML = x;
				}
			}
			
		}
		
		function replaceAchternaam(x)
		{
			var el = getElementsByTagNames('span');
			var el2 = document.getElementsByName('voorbeeld_achternaam');
			
			for(i=0;i<el2.length;i++)
			{
				el2[i].innerHTML = x;
			
			}
			
			for(i=0;i<el.length;i++)
			{
				if(el[i].name == "voorbeeld_achternaam")
				{
					el[i].innerHTML = x;
				}
			}
		}