// JavaScript Document
tdHover = function() {
	var tdEls = document.getElementById("dataTable").getElementsByTagName("td");
	for (var i=0; i<tdEls.length; i++) {
		tdEls[i].onmouseover=function() {
			this.className+="tdhover";
		}
		tdEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp("tdhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", tdHover);
document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"/climate/cdo/styles/tooltip.css\" />");