function toggleRow(rowID) {
                     srcRow = window.event.srcElement;
                     imgFile = window.event.srcElement.getAttribute("src");
                     rExp = /expand/gi;
                     isMatch = imgFile.search(rExp);
                        if (isMatch > 1) {
                             targetRow = eval("document.all['subRow' + rowID]");
                             targetRow.style.display = "block";
                             srcRow.src = "images/collapse.gif";
                            }
                             else {
                                 targetRow = eval("document.all['subRow' + rowID]");
                                 targetRow.style.display = "none";
                                 srcRow.src = "images/expand.gif";
                                 }
        }
		
		function rowLite() {
            window.event.srcElement.parentElement.style.background = "yellow";
        }
        function rowReg() {
            window.event.srcElement.parentElement.style.background = "white";
        }
        function viewTeachDetails(ID) {
            newURL = "teachDetails.asp?id=" + ID;
            window.open(newURL, "Details", "directories=0,height=300,width=400,location=0,toolbar=0,menubar=0,resizable=0,status=0,scrollbar=0");
        }
        function viewPlayDetails(ID) {
            newURL = "playDetails.asp?id=" + ID;
            window.open(newURL, "Details", "directories=0,height=300,width=400,location=0,toolbar=0,menubar=0,resizable=0,status=0,scrollbar=0");
        }