function zebra_one(){
	var tables = document.getElementsByTagName( "table" )[0];
		var odd = false;
		var tr_arr = [];
		var rows = tables.getElementsByTagName( "tr" );
		for ( var j = 0 ; j < rows.length ; j++) {
			if(rows[j].className != 'thead'){
				tr_arr.push(rows[j]);
			}
		}
		for(var i=0; i<tr_arr.length ;i++){
			if(i%2 != 0){
				tr_arr[i].className = 'dark';
			}else{
				tr_arr[i].className = 'light';
			}
			tr_arr[i].onmouseover = function(){
				if(!this.getElementsByTagName('td')) return false;
				var tds = this.getElementsByTagName('td');
				for(var k=0; k<tds.length; k++) tds[k].style.backgroundColor = '#5CA6F5';
			};
			tr_arr[i].onmouseout = function(){				
				var tds = this.getElementsByTagName('td');
				for(var k=0; k<tds.length; k++) tds[k].style.backgroundColor = '';
			};
		}
}
addLoadListener(zebra_one);