var BrowserOK=false;

var pics;

browserOK=true;

pics = new Array();

var objCount=0;



        function preload(name, first, second)

{

if(browserOK)

        {

        pics[objCount] = new Array(3);

        pics[objCount][0] = new Image();

        pics[objCount][0].src = first;

        pics[objCount][1]=new Image();

        pics[objCount][1].src = second;

        pics[objCount][2]=name;

        objCount ++;

        }

}



function on(name){

        if (browserOK){

        for (i=0; i < objCount; i++) {

         if (document.images[pics[i][2]] !=null)

          if (name !=pics[i][2]) {

           if (pics[i][0].complete)

            document.images[pics[i][2]].src = pics[i][0].src;

} else {

if (pics[i][1].complete)

    document.images[pics[i][2]].src=pics[i][1].src;

  }

 }

 }

}

function off(){

 if (browserOK) {

  for (i=0; i < objCount; i++){

        if (document.images[pics[i][2]] !=null)

         if (pics[i][0].complete)

          document.images[pics[i][2]].src = pics[i][0].src;

}

}

}


preload("img1", "sys_img/start/toon_upperlayer.gif", "sys_img/start/toon_upperlayer2.png");
preload("img2", "sys_img/start/fragen-18.gif", "sys_img/start/fragen-ani.gif");
preload("img3", "sys_img/start/shop-18.gif", "sys_img/start/shop-ani.gif");
preload("img4", "sys_img/start/suche-18.gif", "sys_img/start/suche-ani.gif");
preload("img5", "sys_img/start/zeug-18.gif", "sys_img/start/zeug-ani.gif");
preload("faqdose", "sys_img/faq/dose_still.png", "sys_img/faq/dose_ani.gif");

function layeran(id) {
  document.getElementById(id).style.display='block';
  document.getElementById('zuden').style.display='inline';
}

function layeraus(id) {
  document.getElementById(id).style.display='none';
  document.getElementById('zuden').style.display='none';
}

function switchBlogEntry(id) {
	document.getElementById('blogDropdown').style.display = "none";
	new Ajax.Updater('blogEntry', 'sys_inc/blog.php', {parameters:'id='+id,evalScripts:true,asynchronous:true});
}

var pos=0;
function scrollVertical(value, element) {
	element.scrollTop = Math.round(pos+value);
	if( pos+value < 0 ) {
		pos = 0;
	} else if( pos > element.scrollHeight - element.offsetHeight ) {
		pos = element.scrollHeight-element.offsetHeight;
	} else {
		pos = pos+value;
	}
}