function display_sub(artists,parent_obj) {
		menu_obj = document.getElementById(artists);
	//	menu_obj.style.display = (menu_obj.style.display == 'none') ? 'block' : 'none' ;
		menu_obj.style.display = 'block';
		get_pos(menu_obj,parent_obj);
}
	
function get_offset_height(parent_obj) {
	the_height = 0;
	parent_element = parent_obj.parentElement;
	while (parent_element.tagName != "TBODY") {
		the_height += parent_element.offsetHeight;
		parent_element = parent_element.parentElement;
		
	}
	the_height += parent_obj.offsetHeight;
	return the_height;	
}
function get_offset_width(parent_obj) {
	the_width = parent_obj.offsetWidth;
	
	
	return the_width;
}

function hide_menu() {
		document.getElementById('artist_ro').style.display = 'none';
}


	
function get_pos(target_obj, parent_obj) {
		// ie only
		if (parent_obj.parentElement)
		{
			var left = parent_obj.offsetWidth;
			var top = 0; //parent_obj.offsetTop;
			while (parent_obj.parentElement.tagName != "BODY")
			{
				
				left += parent_obj.parentElement.offsetLeft;
				if (parent_obj.parentElement.tagName != "TD")
				{
					top += parent_obj.parentElement.offsetTop;
				};
				parent_obj = parent_obj.parentElement;
			}
			target_obj.style.left = left -1 ;
			target_obj.style.top = top + 2;
		}
		else
		{
			target_obj.style.top = parent_obj.offsetTop + 37;
			target_obj.style.left = parent_obj.offsetWidth -1;
		}
	}