startHighlight = function() {				
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("myGrid");
		// Get a reference to the TBODY element 
		tbody = navRoot.childNodes[0];
		for (i = 1; i < tbody.childNodes.length; i++) {
			node = tbody.childNodes[i];
			if (node.nodeName == "TR") {
				node.onmouseover=function() {
					this.className = "over";								
				}
					
				node.onmouseout=function() {
					this.className = this.className.replace("over", "row");
				}
			}
		}
	}
}
	
window.onload = startHighlight;