center = window.screen.availWidth/2;
digileft = center - 415;
digitop = 60;
youleft = center - 325;
youtop = 60;
conleft = center - 182;
contop = 60;

var DHTML = (document.getElementById || document.all || document.layers);
var digi;
var you;
var con;

function initieer(){
	digi = new getObj('digisub');
	you = new getObj('yousub');
	con = new getObj('consub');
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

function verplaatsNaar(elem,xpos,ypos)
{
	if (!DHTML) return;
	elem.style.left = parseInt(xpos) + "px"; //Firefox vereist hier parseInt
	elem.style.top = parseInt(ypos) + "px";
}
initieer();
verplaatsNaar(digi,digileft,digitop);
verplaatsNaar(you,youleft,youtop);
verplaatsNaar(con,conleft,contop);