var moved_item_top = new Array();
var moved_item_left = new Array();


function move_item(item_id, x, y)
{
    var top;
	var left;
	var item_style;
	
	if (document.getElementById)
    {
        item = document.getElementById(item_id); 
    }
    else if (document.all)
    {
	    item = document.all[item_id]
    }
    else
	{
        //alert('oh you\'re kidding. document.layers maybe?');
		return false;
	}

	if(x||y)
	{
		// remember where it was
	    moved_item_top[item_id] = item.style.top; 
		moved_item_left[item_id] = item.style.left; 
		
		item.style.top = (parseInt(item.style.top) + y) + 'px';
		item.style.left = (parseInt(item.style.left) + x) + 'px';	
	}
	else // they want us to put it back
	{
		item.style.top = moved_item_top[item_id];
		item.style.left = moved_item_left[item_id];
	}
	
}