var startpage = "http://www.mendelssohn-2009.org";

    browser  = "";
    app_name = window.navigator.userAgent;
    app_name = app_name.toLowerCase();;  
    brs_name = window.navigator.appName; 
    brs_name = brs_name.toLowerCase();
    if ((brs_name.indexOf("explorer") >= 0) || (app_name.indexOf("explorer") >= 0)){ browser  = "ie" ;}
    if ((brs_name.indexOf("opera") >= 0) || (app_name.indexOf("opera") >= 0)){ browser  = "opera" ;}		// Opera
    

function sendSearchByDate(){
		var tmp = document.sbydate.d.value + "";
		tmp = tmp.split('/');
		tmp = tmp[2] + tmp[0] + tmp[1];
		document.sbydate.d.value = tmp;
		document.sbydate.submit();
}   
    
var objectLayer;	// 

function getMethod(){
 if (document.all){
  objectLayer = 'document.all[\'';
  objectStyle = '\'].style';
  objectPos   = '\']'; 
 } 
 else{
   if(document.layers){
      objectLayer = 'document.layers[\''; 
      objectStyle = '\']'; } 
   else{ 
      if (document.getElementById){
        objectLayer = 'document.getElementById(\''; 
        objectStyle = '\').style';
        objectPos   = '\')';  
      } 
      else {}  
   } 
 }
//alert(objectLayer);
}

function modLayer(nameLayer,actionLayer,toDo){ 
if (objectLayer) {
 layerString = objectLayer + nameLayer + objectStyle + actionLayer + toDo;
 //alert(layerString);
 layer = eval(layerString);
} 
}

var c = 0;
function showSubmenu(m){
	//alert(m);
	if(c == 1 || m == '0'){
		c = 0;
	}
	else{
		c = 1;
		modLayer('submenu', '.visibility=', '\'visible\'' );
	}		
	
	makeRollUp(c,m);
}

function makeRollUp(c,m){
	var showclass = 'veranst';
	//alert(screen.availHeight);
	if( screen.availHeight < 900 ){showclass = 'veranst_800'; }
	tmp = document.getElementsByTagName("a");
	all_as = new Array();
	for(i=0; i<tmp.length; i++){
		my_id = tmp[i].id;
		myida = my_id.split("_");
		if( myida[0] == 'a' && myida.length > 1 ){
				all_as[ all_as.length ] = my_id;
	  }
	}
	
	var maxim = ((all_as.length) * 30) + 60;	
	for(k=0; k< all_as.length; k++){
		my_id = all_as[k];
		if(m == '0' || c == '0'){
				sec = ( (k + 1) * 30);
				setTimeout("setStyle('" + my_id + "', 'noshow')", sec );
				//alert(sec);				
				if(c == 0 && k == all_as.length - 1){
				setTimeout("modLayer('submenu', '.visibility=', '\\'hidden\\'')", maxim );
				//alert("zu");
		}
				
				
		}
		else{
				sec = maxim - ( (k + 1) * 30);;
				//alert(showclass);
				setTimeout("setStyle('" + my_id + "', '" + showclass + "' )", sec );
				//alert(sec);
		}
	}	
	
}

function setStyle(id, cn){
      
		var elem = document.getElementById(id);
		codeStart = "document.all.";
		codeEnd = "";      
		toset = codeStart + id +codeEnd + ".className = \"" + cn + "\";";
		eval(toset);
		//alert(toset);
}


function moveDiv(c){
    if(c == 0){
    	stat = "balken_n";
    	moving = 0;
    }
    if(c == 1){
    	stat = "balken_d";
    	moving = 1;
    }
    setStyle('balken',stat);
    
}

// Img swap (Mouseover)
function swapImg(id,nr){
  if(! document.layers){
   if(document.images){t = "document.images['" + id + "'].src= icons[" + nr + "]"}
   eval(t);
   //alert(t);
  }
}

function openWin(file,ww,hh,fname,sb){

if(file == 'login'){file = '../editor/login'; ww = 200; hh = 200; fname = 'editor'; sb = 'yes';}
toeval ="mwindow = window.open(\""+file+"\",\""+fname+"\",\"width="+ww+",height="+hh+",toolbar=no,dependent=yes,scrollbars="+sb+",resizable=yes,status=yes\")";
eval(toeval);
}

function checkMail(f){
var myvalue = document.forms[f].mail.value;
if((myvalue.indexOf("@") < 0) || (myvalue.indexOf(".") < 0) || (myvalue.indexOf(",") >= 0) || (myvalue.indexOf(":") >= 0) || (myvalue.indexOf(";") >= 0)  || (myvalue * 1 == 0)){
return 0;}
else{return 1;}
}