function price(){
	//get all tables
	var tables = document.getElementsByTagName("table");
	//get zebra tables
	var zebraTables = new Array();
	var count = 0;
	for(var i=0; i < tables.length; i++){
		if(tables[i].className == "zebra"){
			zebraTables[count] = tables[i];
			count++;
		}
	}
	for(var i=0; i < zebraTables.length; i++){
		var tBodies = zebraTables[i].getElementsByTagName("tbody");
		for(var j=0; j < tBodies.length; j++){
			var trs = tBodies[j].getElementsByTagName("tr");
			for(var k=0; k < trs.length; k++){
				var tds = trs[k].getElementsByTagName("td");
				tds[1].className = "price_column";
			}
		}
	}
}
window.onload = function(e) {
	price();
}