var items = document.getElementsByTagName("tr");
for(var i=0;i<items.length;i++) {
	if(items[i].className == "whyPage") {
		if(Ext.isIE) {
			items[i].style["display"] = "block";
		} else {
			items[i].style["display"] = "table-row";
		}
	}
}