function showhide(what){
		if (what.style.display=='none'){
		 	what.style.display='';
			DeleteCookie(what.id);
			SetCookie(what.id,1);
		}
		else{
			what.style.display='none';
			DeleteCookie(what.id);
			SetCookie(what.id,0);
		}
}

function showhide2(str){
		what=document.all[str];
		if (what.style.display=='none'){
		 	what.style.display='';
		}
		else{
			what.style.display='none';
		}
}

function GetCookie (name) {
		 var arg = name + "=";
		 var alen = arg.length;
		 var clen = document.cookie.length;
		 var i = 0;
		 while (i < clen) {
		 	   var j = i + alen;
			   if (document.cookie.substring(i, j) == arg) 
			   	  return getCookieVal (j);
			   i = document.cookie.indexOf(" ", i) + 1;
			   	 if (i == 0) break;
		 }
		 return null;
		}
		
function SetCookie (name, value) {
		 var argv = SetCookie.arguments;
		 var argc = SetCookie.arguments.length;
		 var expires = (argc > 2) ? argv[2] : null;
		 var path = (argc > 3) ? argv[3] : null; 
		 var domain = (argc > 4) ? argv[4] : null;
		 var secure = (argc > 5) ? argv[5] : false;
		 document.cookie = name + "=" + escape (value) + 
		 ((expires == null) ? "" : ("; expires=" + expires.toGMTString( ))) +
		 ((path == null) ? "" : ("; path=" + path)) + 
		 ((domain == null) ? "" : ("; domain=" + domain)) + 
		 ((secure == true) ? " ; secure" : "") ;
} 

function DeleteCookie (name) {
		 var exp = new Date();
		 exp.setTime(exp.getTime() - 1);
		 var cval = GetCookie (name);
		 document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function getCookieVal(offset) {
		 var endstr = document.cookie.indexOf (";", offset);
		 if (endstr == -1) endstr = document.cookie.length;
		 return unescape(document.cookie.substring(offset,endstr));
}		 

//function showhide1(what,what2){
//		hideallbut(1)
	//	if (what.style.display=='none'){
		// 	what.style.display='';
//			what2.src=Open1.src
//		}
//		else {
//			 what.style.display='none'
//			 what2.src=Closed1.src
//}
//}

//function hideallbut(nr){
//	 if (nr!=1){
//			menu1outline.style.display='none'
//			menu1sign.src=Closed1.src}
//	 if (nr!=2){
//			menu2outline.style.display='none'
//			menu2sign.src=Closed2.src}
//	
//}