/*----setBackground----------*/
function setBack(t){
	d = document.getElementById("block_"+t);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('block_'+i)) {
			document.getElementById('block_'+i).style.backgroundPosition = '0px 0px';
		}
	}
	if(d){
		d.style.backgroundPosition = '0px -73px';
	}
}

function setVisible(vis, invis){
	if(invis == undefined || invis == ""){
		for(var i = 0; i<10; i++){
			if(document.getElementById("cl_tab"+i)){
				document.getElementById("cl_tab"+i).style.display = 'none';
			}
			if(document.getElementById("cr_tab"+i)){
				document.getElementById("cr_tab"+i).style.display = 'none';
			}
		}
	}
	if (vis !== "" && vis !== undefined){
		for(var i = 0; i<vis.length; i++){
			document.getElementById(vis[i]).style.display = 'block';
		}
	}
	if (invis !== "" && invis !== undefined){
		for(var i = 0; i<invis.length; i++){
			document.getElementById(invis[i]).style.display = 'none';
		}
	}	
}

function showHideDiv(divid){
    var div = document.getElementById(divid);
    if(div!=null){
        if(div.style.display=='none'){
            div.style.display = 'block';
        }else{
            div.style.display = 'none';
        }
    }
}
function showHideDivState(divid,showstate){
    var div = document.getElementById(divid);
    if(div!=null){
        if(showstate=='1'){
            div.style.display = 'block';
        }else if(showstate=='0'){
            div.style.display = 'none';
        }else{
            alert('Parameter nr 2 should be "1" to show and "0" to hide');
        }
    }
}
function colorParent(divid,showstate){
    var div = document.getElementById(divid);
    if(div!=null){
        if(showstate=='1'){
            div.style.backgroundColor = '#BCBD00';
        }else if(showstate=='0'){
            div.style.backgroundColor = '#838D1C';
        }else{
            alert('Parameter nr 2 should be "1" to show and "0" to hide');
        }
    }
}


/*---Functionality room-subpage header-image---*/			
function showPic(id, nr){
	for (var i = 1; i<=4; i++) {
		if (document.getElementById('img_'+i+nr)) {
			document.getElementById('img_'+i+nr).style.display='none';
		}
	}
	if(document.getElementById('img_'+id+nr)){
		document.getElementById('img_'+id+nr).style.display='block';
	}
}
// correctly handle PNG transparency in Win IE 5.5 & 6.
function correctPNG()
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   } 
}
if (window.attachEvent)
{
    window.attachEvent("onload", correctPNG);
}