function _coloredTDs(r,c){
    var cl='';
    if (typeof(r)!='object'){r=document.getElementById(r);}
    if (typeof(document.getElementsByTagName)!='undefined'){cl=r.getElementsByTagName('td');}
    else if (typeof(r.cells)!='undefined') {cl=r.cells;}
    else {return false;}
    for (var i=0;i<cl.length;i++) {
	cl[i].className=c;
    }
}

className: {// internal only, use addClass("class")
add: function( elem, classNames ) {jQuery.each((classNames || "").split(/\s+/), function(i, className){
if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
elem.className += (elem.className ? " " : "") + className;
});
}
}