function toggledisplay(nr)
			{	
				if (document.layers)
				{
					current = (document.layers[nr].display == 'none') ? 'block' : 'none';
					document.layers[nr].display = current;
				}
				else if (document.getElementById)
				{
					vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
					document.getElementById(nr).style.display = vista;
				}
				else if (document.all)
				{
					current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
					document.all[nr].style.display = current;
				}
			}
			function setdisplay(nr,display)
			{	
				if (document.layers)
				{
					document.layers[nr].display = display;
				}
				else if (document.getElementById)
				{
					document.getElementById(nr).style.display = display;
				}
				else if (document.all)
				{
					document.all[nr].style.display = display;
				}
			}
			function getdisplay(div)
			{	
				
				if (document.layers)
				{
					return document.layers[div].display;		
				}
				else if (document.getElementById)
				{
					return document.getElementById(div).style.display;
				}
				else if (document.all)
				{
					return document.all[div].style.display;
				}
			}
			function openpopup(href)
			{
				window.open(href,'mywindow','width=400,height=300,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=yes,resizable=no');
			}
			
			function hoverrows() {
				if (document.getElementById) {
				
					var element;
					
						var className = 'hovered',
						pattern = new RegExp('(^|\\s)' + className + '(\\s|$)'),
						rows = document.getElementsByTagName('tr');
					
						for (var i = 0, n = rows.length; i < n; ++i) {
							rows[i].onmouseover = function() {
								this.className += ' ' + className;
							};
							rows[i].onmouseout = function() {
								this.className = this.className.replace(pattern, ' ');
							};
						}
						rows = null;
				}
			}
			window.onload = hoverrows;