function addClass(element,value) 
{
	if (!element.className) 
	{
		element.className = value;
	}
	else 
	{
		newClassName = element.className;
		newClassName+= " ";
		newClassName+= value;
		element.className = newClassName;
	}
}

function stripeTables() 
{
	if (!document.getElementsByTagName) return false;
	var tables = document.getElementsByTagName("table");
	for (var i=0; i<tables.length; i++) 
	{
		var odd = false;
		var rows = tables[i].getElementsByTagName("tr");
		for (var j=0; j<rows.length; j++) 
		{
			if (odd == true) 
			{
				addClass(rows[j],"odd");
				odd = false;
			}
			else
			{
				odd = true;
			}
		}
	}
}

function highlightRows() 
{
	if(!document.getElementsByTagName) return false;
	var rows = document.getElementsByTagName("tr");
	for (var i=0; i<rows.length; i++) 
	{
		rows[i].oldClassName = rows[i].className
		rows[i].onmouseover = function() 
		{
			addClass(this,"highlight");
		}
		rows[i].onmouseout = function() 
		{
			this.className = this.oldClassName
		}
	}
}

addLoadEvent(stripeTables);
addLoadEvent(highlightRows);