function highlightTableRows(tableId, hoverClass, clickClass, multiple)  {
var table = document.getElementById(tableId);
if (typeof multiple == 'undefined')  { multiple = true; }
if (hoverClass) {
var hoverClassReg = new RegExp("\\b"+hoverClass+"\\b");
table.onmouseover = table.onmouseout = function(e){
if (!e) {e = window.event;}
var elem = e.target || e.srcElement;
while (!elem.tagName || !elem.tagName.match(/td|th|table/i)) { elem = elem.parentNode; }
if (elem.parentNode.tagName == 'TR' && elem.parentNode.parentNode.tagName == 'TBODY'){
var row = elem.parentNode;
if (!row.getAttribute('clickedRow')) { row.className = e.type=="mouseover"?row.className+""+hoverClass:row.className.replace(hoverClassReg,""); }
}
};
}

if (clickClass)   {
table.onclick = function(e){
if (!e) { e = window.event; }
var elem = e.target || e.srcElement;
while (!elem.tagName || !elem.tagName.match(/td|th|table/i)) { elem = elem.parentNode; }
if (elem.parentNode.tagName == 'TR' && elem.parentNode.parentNode.tagName == 'TBODY')
{
var clickClassReg = new RegExp("\\b"+clickClass+"\\b");
var row = elem.parentNode;
if (row.getAttribute('clickedRow')) {
row.removeAttribute('clickedRow');
row.className = row.className.replace(clickClassReg, "");
row.className += ""+hoverClass;
}
else
{
if (hoverClass) { row.className = row.className.replace(hoverClassReg, ""); }
row.className += ""+clickClass;
row.setAttribute('clickedRow', true);
if (!multiple) {
var lastRowI = table.getAttribute("lastClickedRowI");
if (lastRowI!==null && lastRowI!=='' && row.sectionRowIndex!=lastRowI)
{
var lastRow = table.tBodies[0].rows[lastRowI];
lastRow.className = lastRow.className.replace(clickClassReg, "");
lastRow.removeAttribute('clickedRow');
}
}
table.setAttribute("lastClickedRowI", row.sectionRowIndex);
}
}
};
}
}