// changes classname in order to change background. handle 2 consecutive cells  and make special check for possibility of text node in firefox
	 function button_in(obj) {
	var str=obj.parentNode.className ;
	obj.parentNode.className=str +"_over" ;
	save_td=obj.parentNode.nextSibling ; // look for sibling td that closes button
	if (save_td.nodeName!="TD") save_td=obj.parentNode.nextSibling.nextSibling ; // special check for firefox
	save_td.className=str+"S_over" ;
	 }
	 
	function button_out(obj) {
	var str=obj.parentNode.className ;
	if (str.length < 14 ) return ; // classname mefukpak
	obj.parentNode.className=str.substr(0,11 ) ; // discard _over
	save_td=obj.parentNode.nextSibling ;
	if (save_td.nodeName!="TD") save_td=obj.parentNode.nextSibling.nextSibling ; // special check for firefox
	save_td.className=str.substr(0,11 )+"S"
	 }
	 
//pop up
function openWindow(url,w,h) {
	 var sURL = url
	 var sName = "popName"
	 var sFeatures = "menubar=no,scrollbars=no,resizable=no"
	 sFeatures = sFeatures + ",width=" + w + ",height=" + h;
	 var wizWin = window.open(sURL, sName, sFeatures);
}