/*show Div*/
function showdiv(id,dis) {
  if (document.getElementById(id).style.display == "" || dis == 1) {
  document.getElementById(id).style.display = "none";
 	/*$("#"+id).fadeOut("slow");*/
  }	else if(dis != 1) {
$("#"+id).fadeIn("slow");
  /*document.getElementById(id).style.display = "";*/
  }
}

function Updiv(id,dis) {
  if (document.getElementById(id).style.display == "" || dis == 1) {
		$("#"+id).slideUp();
  }	else if(dis != 1) {
  		$("#"+id).slideDown();
  }
}


function showmenupro(id) {
  if (document.getElementById(id).className == "moremenuact") {
  document.getElementById(id).className = "";
  }	else {
  document.getElementById(id).className = "moremenuact";
  }
}


var dynMenuId = new Array ("dyn1","dyn2","dyn3");
var dynDivId = new Array ("yes","use","student");
var lastDynId = 0;
var nextDynId = 0;
function jsdyn(id) {

	if(id == '-') { 
		nextDynId = lastDynId - 1 ; 
			if(nextDynId < 0) { nextDynId = dynMenuId.length-1;  } 
	} else if( id == '+' ) { 
		nextDynId = lastDynId + 1 ; 
			if(nextDynId > dynMenuId.length-1) { nextDynId = 0;  } 
	} else {
		nextDynId = id;
	}

/* Hidden/Show divs*/

showdiv(dynDivId[lastDynId],1);
showdiv(dynDivId[nextDynId]);

/* Style Menu*/

document.getElementById(dynMenuId[lastDynId]).style.fontWeight = 'normal';
document.getElementById(dynMenuId[nextDynId]).style.fontWeight = 'bold';

/*Save edit id */
lastDynId = nextDynId;
}

function showclass(id,sclass) {
  document.getElementById(id).className = sclass;
}

function menu(id) {
  if (document.getElementById(id).style.display == "") {
    showdiv(id);
    showclass(id+'_icon','fr show_over_plu');
  }	else {
    showdiv(id);
    showclass(id+'_icon','fr show_over_min');
  }
}


function newimg(id,url) {
  document.getElementById(id).src = url;
}

function projekt(id,url,name,num,con) {

for(var i=1; i <= con; i++) {
if(num == i) {newimg('sk_'+i,'/img/sk_a.png');} else {newimg('sk_'+i,'/img/sk_n.png'); }
}
if(num == con) {  document.getElementById('nxt_'+id).style.display = "none"; } else {document.getElementById('nxt_'+id).style.display = ""; }
if(num == 1) {  document.getElementById('bac_'+id).style.display = "none"; } else {document.getElementById('bac_'+id).style.display = ""; }
document.getElementById('num_'+id).innerHTML = num + ' / ' + con;
document.getElementById('head_'+id).innerHTML = name;
document.getElementById('img_'+id).src = url;
document.getElementById('i2_'+id).value = num;
}

function next(id,doo,con) {
var ins = parseInt(document.getElementById('i2_'+id).value);
if(doo) { ins = ins -2; }
var nlink = document.getElementById('i3_'+id+'_'+ins).value;
nlink_a = nlink.split(",");
ins = ins +1;

for(var i=1; i <= con; i++) {
if(ins == i) {newimg('sk_'+i,'/img/sk_a.png');} else {newimg('sk_'+i,'/img/sk_n.png'); }
}

document.getElementById('i2_'+id).value = ins;
document.getElementById('head_'+id).innerHTML = nlink_a[1];
document.getElementById('num_'+id).innerHTML = ins + ' / ' + nlink_a[3];
document.getElementById('img_'+id).src = '/projekte/'+nlink_a[0]; 
if(ins == nlink_a[3]) {  document.getElementById('nxt_'+id).style.display = "none"; } else {document.getElementById('nxt_'+id).style.display = ""; }
if(ins == 1) {  document.getElementById('bac_'+id).style.display = "none"; } else {document.getElementById('bac_'+id).style.display = ""; }
}