function getAttr() {
  var element;
  var a=getAttr.arguments;
  var len = a.length;
  if (len > 0) {
    var elem_id = a[0];
    if (document.getElementById)
        element = (len>1) ? eval('document.getElementById(elem_id).' + a[1]):eval('document.getElementById(elem_id)');
      else if (document.all)
        element = (len>1) ? eval('document.all[elem_id].' + a[1]) : eval('document.all[elem_id]');
      else if(document.layers)
       element = (len>1) ? eval('document.layers[elem_id].' + a[1] ) : eval('document.layers[elem_id]');
    return element;
  } else
    return false;
}

function init() {

	var kontener = getAttr('kontener');
	var kwidth = kontener.offsetWidth;
	var kheight = kontener.offsetHeight;
	

	if(document.documentElement.clientHeight < (kheight + 140)) {
		kontener.style.top = 0;
		kontener.style.marginTop = '70px';
	} else {
		kontener.style.marginTop = -(kheight/2) + 'px';
		kontener.style.top = '50%';
	}
	
	
	if(document.documentElement.clientWidth < (kwidth+20)) {
		kontener.style.left = 0;
		kontener.style.marginLeft = '5px';
	} else {
		kontener.style.marginLeft = -(kwidth/2) + 'px';
		kontener.style.left = '50%';
	}
	
	
}

(window.attachEvent)?attachEvent('onload', init) : addEventListener('load', init, false);
(window.attachEvent)?attachEvent('onresize', init) : addEventListener('resize', init, false);