//category jump
function category_jump(targ,selObj,restore){
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//show hide functions
function showhide(targetID) {
	//change target element mode
	var elementmode = document.getElementById(targetID).style;
	elementmode.display = (!elementmode.display) ? 'none' : '';
}
function changetext(changee,oldText,newText) {
	//changes text in source element
	var elementToChange = document.getElementById(changee);
	elementToChange.innerHTML = (elementToChange.innerHTML == oldText) ? newText : oldText;
}
function workforchange(targetID,sourceID,oldContent,newContent) {
	showhide(targetID);
	changetext(sourceID,oldContent,newContent);
}

//functie popup
function openit(url) {
	newwindow=window.open(url, 'popupwindow', 'scrollbars=yes,width=550,height=520,top=124,left=240');
	if (window.focus) {newwindow.focus()}
	return false;
}

//functie popup2
function openit2(url) {
	newwindow=window.open(url, 'popupwindow', 'scrollbars=yes,width=360,height=430,top=200,left=310');
	if (window.focus) {newwindow.focus()}
	return false;
}

//track click
var indexulinks = document.getElementsByTagName("a");
for(i = 0; i < indexulinks.length; i++) {
	if (indexulinks[i].name != '' && (indexulinks[i].name.indexOf("link") != -1 || indexulinks[i].name.indexOf("cat") != -1)) {
		indexulinks[i].onclick = indexu_click;
    indexulinks[i].oncontextmenu = indexu_click;
	}
}
function indexu_click() {
  if (document.images) {
    img = new Image();
    img.src = "trackclick.php?id=" + this.name;
    var date = new Date();
    do {
      var curDate = null;
      curDate = new Date();
    }
    while(curDate-date < 300);
    date = null;
    curDate = null;
  }
  return true;
}