function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
}

function change_image(id, image){
document.getElementById(id).src=image;
}

function change_bordercolor(id, color){
document.getElementById(id).style.borderBottom="solid 2px " + color;
}

function clear_checkbox(){
	for (i=0;i<document.kleurenform.elements.length;i++){
			if (document.kleurenform.elements[i].type == 'checkbox'){
			document.kleurenform.elements[i].checked = false;
			}
	}
}

function ChangeText(id, text)
{
   var MyElement = document.getElementById(id);
   MyElement.value = text;
   return true;
}

function show_div(div){
	var Div = document.getElementById(div);
	Div.style.display ="block";
}

function hide_div(div){
	var Div = document.getElementById(div);
	Div.style.display ="none";
}

function ChangeHTML(id, text)
{
   var MyElement = document.getElementById(id);
   MyElement.innerHTML  = text;
   return true;
}


function highlight(select_div){
	$(select_div).setStyles({'color':'#fff','background-color':'#E55A24'});
}

function control_selection(select_div,deselect_div){
		$(deselect_div).getElements('a').each(function(item){
			item.setStyles({'color':'#000','background-color':'#EFEFEF'});
		});
		highlight(select_div);

}