function findRows(){
	var tableRows, i;
	
	tableRows = document.getElementsByTagName('tr');

	for ( i = 0; i < tableRows.length; i++ ){
		tableRows[i].onmouseover = function(){hoverRows(this);};
		tableRows[i].onmouseout = function(){leaveRows(this);};
	}
}

function hoverRows(hoverRow){
	hoverRow.style.color = "#000000";
	hoverRow.style.backgroundColor = "#C4C4C4";
}

function leaveRows(hoverRow){
	hoverRow.style.color = "";
	hoverRow.style.backgroundColor = "";
}

addLoadEvent(findRows);