function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
addLoadEvent(function() {
  h1s=document.getElementsByTagName("h1");
  if (h1s.length>0)
  	{
  	var classN;
  	var firstLetter;
  	var y=0;
  	for (var i=0;i<h1s.length;i++)
  		{
  		classN=h1s[i].className;
  		if (classN=="capitalize1")
  			{
			if(h1s[i].innerHTML.length>0) 
				{
				firstLetter=String(h1s[i].innerHTML).toUpperCase();
				firstLetter=firstLetter.charCodeAt(0);
				
				y=(firstLetter-65)*80;
			
	  			h1s[i].style.background="url(http://www.benfranse.nl/benfranse/fs3_site.nsf/alfabet1.gif) 0px "+(y*-1)+"px no-repeat";
	  			}
  			}
  		else if (classN=="capitalize2")
  			{
			if(h1s[i].innerHTML.length>0) 
				{
				firstLetter=String(h1s[i].innerHTML).toUpperCase();
				firstLetter=firstLetter.charCodeAt(0);
				
				y=(firstLetter-65)*80;
			
	  			h1s[i].style.background="url(http://www.benfranse.nl/benfranse/fs3_site.nsf/alfabet2.gif) 0px "+(y*-1)+"px no-repeat";
	  			}
  			}
  			
  		}
  	}
});