// ===================================================================
// Author: Kolibrie Creatieve Media (c) 2008
// http://www.kolibrie.net/
// ===================================================================

function objRef(id) {return document.getElementById(id)}
function styleRef(id) {return this.objRef(id).style}

function checkEnter(event) {
	code=(document.layers)?event.which:code=event.keyCode
	if (code==13) document.frmZoekmachine.submit();
}

function hl(id){
	b=id.src;
	s=(b.substring(b.length-4,b.length-5)==0)?'1':'0';
	id.src=(b.substring(b.length-5,0)+s+b.substring(b.length,b.length-4));
}

function replace(str, from, to) {
  var index = str.indexOf(from);
  while (index > -1) {
    str = str.replace(from, to);
    index = str.indexOf(from);
  }
  return str;
}