var newLetterSize = 1;

  function writelettersize(){
   			
			
				
		// input2 = '<img src="/html/heifer/graphics/bg_lettersize.gif" alt="Tekstgrootte" width="77" height="29" />';		
		input2 = '<img src="/html/basic/graphics/letter_size_minus.gif" alt="Kleiner lettertype" id="smaller" onclick="lettersize(\'smaller\')" />';
		input2 += '<img src="/html/basic/graphics/letter_size_plus.gif" alt="Groter lettertype" id="bigger" onclick="lettersize(\'bigger\')" />';	
			
			
		document.getElementById('lettersize01').innerHTML = input2;

  
   		if (document.cookie == ""){
			document.cookie = "letterSize=1;"; 
			setLetterSize(newLetterSize);
		}else{
			letterSize1 = document.cookie.split('; ');
			//letterSize1 = letterSize1[1].split('=');
			//newLetterSize = letterSize1[1];
			//setLetterSize(newLetterSize);
			
			for (var i=0; i<letterSize1.length; i++) {
				letterSize2 = letterSize1[i].split('=');
				
				if(letterSize2[0] == "letterSize"){
					newLetterSize = letterSize2[1];
					setLetterSize(newLetterSize);
					
					checkID = true;
					break;
				}else{
					
					setLetterSize(newLetterSize);
					checkID = false;
				}
			}
		}
		if(checkID == false){
			document.cookie = "letterSize=1;";
			setLetterSize(newLetterSize); 
		}
		
		
		
 }
  
function lettersize(action){
  			
		letterSize1 = document.cookie.split(';');
		for (var i=0; i<letterSize1.length; i++) {
				letterSize2 = letterSize1[i].split('=');
				if(letterSize2[0] == "letterSize"){
					newLetterSize = letterSize2[1];
					break;
				}
			}		
		
		
		if(newLetterSize > 4){
			newLetterSize = 4;
		}
		
		if(newLetterSize < 1){
			newLetterSize = 0;
		}
	
		
 		if(action == 'smaller'){
			newLetterSize = parseInt(newLetterSize) - 1;
			document.cookie = "letterSize="+newLetterSize;
			setLetterSize(newLetterSize);
		}
		
		if(action == 'bigger'){
			
			newLetterSize = parseInt(newLetterSize) + 1;
			document.cookie = "letterSize="+newLetterSize;
			setLetterSize(newLetterSize);
		}
	
	}

  
  function setLetterSize(letterSize){
  
 		element = document.getElementsByTagName("body");
		element[0]	
  		
		if(letterSize == 0){
			element[0].style.fontSize = '60%';
		}
		
		if(letterSize == 1){
			element[0].style.fontSize = '70%';
		}
		
		if(letterSize == 2){
			element[0].style.fontSize = '80%';
		}
		
		if(letterSize == 3){
			element[0].style.fontSize = '90%';
		}
		
		if(letterSize == 4){
			element[0].style.fontSize = '100%';
		}
		
		
		if(letterSize > 3){
		
			document.cookie = "letterSize=4;";
			document.getElementById("bigger").src='/html/basic/graphics/letter_size_plus_inact.gif';
			
			
		}else{
			document.getElementById("bigger").src='/html/basic/graphics/letter_size_plus.gif';
		}
		
		if(letterSize < 1){
			document.cookie = "letterSize=0;";
			document.getElementById("smaller").src='/html/basic/graphics/letter_size_minus_inact.gif';
		}else{
			document.getElementById("smaller").src='/html/basic/graphics/letter_size_minus.gif';
		}
		
		
  }
  

function externalLinks() { 
	 if (!document.getElementsByTagName) return; 
	 var anchors = document.getElementsByTagName("a"); 
	 for (var i=0; i<anchors.length; i++) { 
	  
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && 
			anchor.getAttribute("rel") == "external") {
		  	anchor.target = "_blank";
		}
	 
	 	if (anchor.getAttribute("rel") == "popup") {
			anchor.onclick = function () {
				window.open(this.href,'newWindow','width=50,height=50');return false;
		 	}
		}
	 
	 
	 } 
} 


function columnHeight(){
	if (document.getElementById) {
		// the divs array contains references to each column's div element.  
		// Replace 'center' 'right' and 'left' with your own.  
		// Or remove the last one entirely if you've got 2 columns.  Or add another if you've got 4!
		var divs = new Array(document.getElementById('subNavigationArea'), document.getElementById('primaryContentArea'), document.getElementById('secondaryContentArea'));
		
		// Let's determine the maximum height out of all columns specified
		var maxHeight = 0;
		for (var i = 0; i < divs.length; i++) {
			if (divs[i].offsetHeight > maxHeight) maxHeight = divs[i].offsetHeight;
		}
		
		// Let's set all columns to that maximum height
		for (var i = 0; i < divs.length; i++) {
			divs[i].style.height = maxHeight + 'px';

			// Now, if the browser's in standards-compliant mode, the height property
			// sets the height excluding padding, so we figure the padding out by subtracting the
			// old maxHeight from the new offsetHeight, and compensate!  So it works in Safari AND in IE 5.x
			if (divs[i].offsetHeight > maxHeight) {
				divs[i].style.height = (maxHeight - (divs[i].offsetHeight - maxHeight)) + 'px';
			}
		}
			document.getElementById('footerArea').style.display='block';
			
			maxHeight = maxHeight + 235;
			
			document.getElementById('footerArea').style.top=parseInt(maxHeight)+"px"; 
		
		
	}
}




_LOADERSRisico = Array();

function callAllLoaders() {
	var i, loaderFunc;
	for(i=0;i<_LOADERSRisico.length;i++) {
		loaderFunc = _LOADERSRisico[i];
		if(loaderFunc != callAllLoaders) loaderFunc();
	}
}


function appendLoader(loaderFunc) {
	if(window.onload && window.onload != callAllLoaders)
		_LOADERSRisico[_LOADERSRisico.length] = window.onload;

	window.onload = callAllLoaders;

	_LOADERSRisico[_LOADERSRisico.length] = loaderFunc;
}

appendLoader(columnHeight);
// appendLoader(writelettersize);
// appendLoader(externalLinks);