function ExpandColapse (id) {
	var tbl;
	var tr;
	var trs;		
	var temp_bg;		
		
	tr  = document.getElementById('row_'+id);
	trs  = document.getElementsByTagName('tr');
	trhead  = document.getElementById('rowhead_'+id);		
	trheads  = document.getElementsByTagName('tr');
	tbl = document.getElementById ('headers');	
	
	if (tr.style.display == 'none') {
		for (i=0; i<trs.length; i++) 
			if (trs[i].id.substring (0, 4) == 'row_') 
				trs[i].style.display = 'none';							
		j = 0;	
		for (i=0; i<trheads.length; i++) 
			if (trheads[i].id.substring (0, 8) == 'rowhead_') {			
				j++;			
				if ((j % 2) == 0) 
					trheads[i].style.background = '#F5F5F5';					
				else
					trheads[i].style.background = '#FFFFFF';			
			}	
			trhead.style.background = '#fdeded';				
			if (navigator.userAgent.toLowerCase().indexOf("msie") != -1) 
				tr.style.display = 'block';
			else
				tr.style.display = 'table-row';	
	} else {
		tr.style.display = 'none';	
	}
}