// This function shows/hides rows within a table


function toggleRow(id)   
{   
	var tr = document.getElementById(id);   
	if (tr==null) { return; }   
	var imgExpand = tr.style.display == '';   
	tr.style.display = (imgExpand ? 'none' : '');   
}   

function imageChange(id, showMinus, showPlus)   
{   
	var img = document.getElementById(id);   
	if (img!=null)  
		{   
		 var imgExpand = img.src.indexOf(showPlus) >= 0;
		 //var imgExpand = img.src.indexOf(showPlus);   
		 //alert("imgExpand: " +imgExpand); 
		 if (!imgExpand)   
			 img.src = showPlus; 
			 
		 else   			 
			 img.src = showMinus;
			 
		}   
}