function initTooltip(){
	if (!document.getElementsByTagName){ return; }
	var acronyms = document.getElementsByTagName("acronym");
	for (var i=0; i<acronyms.length; i++){
		var acronym = acronyms[i];
		var title = acronym.getAttribute('title');
		acronym.setAttribute('title','');
		
		span = document.createElement("span");
		// span.style.cssText = 'display:none;';*/
		span.appendChild(document.createTextNode(title));
		acronym.appendChild(span);			
		acronym.onmouseover = function (){
			this.className = 'tip';
		}
		acronym.onmouseout = function(){
			this.className = '';
		}
		
	}
}
//
// Function from Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEvent(initTooltip);	// run initPopup onLoad