function show_info_block(performer_id,stage_id)
{
	// var element_id = document.getElementById('element_id').value
	if (navigator.userAgent.indexOf('Safari')>0) {
	 	var obj = document.getElementById('stage_'+stage_id+'_performers');
		var curleft = curtop = 0;
		if (obj.offsetParent) {
			curleft = obj.offsetLeft
			curtop = obj.offsetTop
			while (obj = obj.offsetParent) {
				curleft += obj.offsetLeft
				curtop += obj.offsetTop
			}
		}
		document.getElementById('top').value=curtop;
		document.getElementById('left').value=curleft;				
	} else if (document.getElementById('stage_'+stage_id+'_performers').offsetTop && document.body.style.maxHeight != 'undefined') {
		var obj = document.getElementById('stage_'+stage_id+'_performers');
		var curleft = curtop = 0;
		if (obj.offsetParent) {
			curleft = obj.offsetLeft
			curtop = obj.offsetTop
			while (obj = obj.offsetParent) {
				curleft += obj.offsetLeft
				curtop += obj.offsetTop
			}
		}
		document.getElementById('top').value=curtop;
		document.getElementById('left').value=curleft;				
	} else if (window.event) {
		document.getElementById('top').value=window.event.clientY;
		document.getElementById('left').value=window.event.clientX;
	}
	var curtop = document.getElementById('top').value
	var curleft = document.getElementById('left').value
	document.getElementById('info_block').style.top=curtop+'px';
	document.getElementById('info_block').style.left=curleft+'px';
	document.getElementById('info_block').innerHTML = " ";
	// loadFragmentInToElement('admin.cgi?cmd=volunteer.quick_info&shift_request_id='+element_id+'&committee_id=[COMMITTEE_ID]&days=[DAYS]&sort_by=[SORT_BY]&display_mode=[DISPLAY_MODE]&session_id=[SESSION_ID]','info_block');
	loadFragmentInToElement('performance_list.cgi?cmd=info_block&performer_id='+performer_id,'info_block');
	document.getElementById('info_block').style.visibility='visible';
	return false;
}
function hide_info_block()
{
	document.getElementById('info_block').style.visibility='hidden';
	document.getElementById('info_block').style.zIndex='0';
	document.getElementById('info_block').style.overflow='hidden';
	document.getElementById('info_block').innerHTML = '';
	return false;
}