window.onload=prepareTable;

function prepareTable(){

	var table = document.getElementById("live");
	var rows = table.getElementsByTagName("tr");

	for(var i=0; i<rows.length; i++)
	{
		if(i % 2 == 1)
		{
			rows[i].style.backgroundColor = "black";
		}    
		
		rows[i].onmouseover = function()
		{
			this.style.fontWeight = "bold";
		} 
		
		rows[i].onmouseout = function()
		{
			this.style.fontWeight = "normal";
		} 
	} 
}