function SetCookie(cookieName,cookieValue,nDays) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)
                 + ";expires="+expire.toGMTString()+"; path=/";
}
function ReadCookie(cookieName) {
 var theCookie=""+document.cookie;
 var ind=theCookie.indexOf(cookieName);
 if (ind==-1 || cookieName=="") return ""; 
 var ind1=theCookie.indexOf(';',ind);
 if (ind1==-1) ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}

	// nastavimo cookie z imenom povezave
	function setActiveMenu(menu){
		SetCookie('activeMenu', menu, 30);
	}
	
	// obarvamo izbrani gumb
	function activateMenu(){
		// privzeto izbrani menu
		//var menuName = 'pp';
		
		// ce je nastavljen cookie povozimo default vrednost
		if (ReadCookie('activeMenu') != ''){
			menuName = ReadCookie('activeMenu');
		}
		// zamenjamo slikico
		document.getElementById(menuName).src = 'images/m_'+menuName+'_over.gif';
		// odstranimo onmouseout event
		document.getElementById(menuName).onmouseout = function(){};
	}

//odpre novo okno 
	function openwindow(txt,w,h){
		window.open(txt,'detail_window','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=yes, width='+w+', height='+h+"'");
	}