// z-index changer
function change(top, max, ebene) {

	var oldTop_zIndex=document.getElementById([ebene[top]]).style.zIndex;
	document.getElementById([ebene[top]]).style.zIndex=max;

	if (oldTop_zIndex != max) {
		for (var i=1; i<=max; i+=1) {
			if (i != top) {
				var old_zIndex=document.getElementById([ebene[i]]).style.zIndex;
				if (old_zIndex > oldTop_zIndex) {
					var new_zIndex=Number(old_zIndex);
					new_zIndex-=1;
					document.getElementById([ebene[i]]).style.zIndex=new_zIndex;
				}
			}
		}
	}

}

// page changer
function switchPage(box, now, total, direction) {
	
	var newLink = '';
	for (var i=1; i<=total; i+=1) {
		if (document.getElementById('l' + box + 'p' + i).style.display !='none') {
		document.getElementById('l' + box + 'p' + i).style.display='none';
		//$('#'+'l' + box + 'p' + i).fadeOut("fast");
		}
	}
	if(direction === 0) {
		var prev = now-1;
		//new Effect.Appear(document.getElementById('l' + box + 'p' + prev));
		//document.getElementById('l' + box + 'p' + prev).style.display='block';
		$('#'+'l' + box + 'p' + prev).fadeIn("slow");
		if(prev == 1) {
			newLink += '&nbsp;&nbsp;&nbsp;&nbsp;';
			newLink += '1 of '+total;
			newLink += ' <a href="javascript:switchPage('+box+','+prev+','+total+',1);">>></a>';
		} else {
			newLink += '<a href="javascript:switchPage('+box+','+prev+','+total+',0);"><<</a> ';
			newLink += prev+' of '+total;
			newLink += ' <a href="javascript:switchPage('+box+','+prev+','+total+',1);">>></a>';
		}
	} else {
		var next = now+1;
		//new Effect.Appear(document.getElementById('l' + box + 'p' + next));
		//document.getElementById('l' + box + 'p' + next).style.display='block';
		$('#'+'l' + box + 'p' + next).fadeIn("slow");
		if(next == total) {
			newLink += '<a href="javascript:switchPage('+box+','+next+','+total+',0);"><<</a> ';
			newLink += total+' of '+total;
			newLink += '&nbsp;&nbsp;';
		} else {
			newLink += '<a href="javascript:switchPage('+box+','+next+','+total+',0);"><<</a> ';
			newLink += next+' of '+total;
			newLink += ' <a href="javascript:switchPage('+box+','+next+','+total+',1);">>></a>';
		}
	}
	
	document.getElementById('al'+box).innerHTML=newLink;
}

function initialiseLeightboxPages() {
	document.getElementById('l1p1').style.display='block';
}


// hide elemts on computers with low screen resolution
function hideRes() {
	var screenRes //= screen.width;


	
if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  screenRes = window.innerWidth;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  screenRes = document.body.offsetWidth;
 }
}
	if (screenRes < 1075) {
		document.getElementById('menu_slider_1').style.top = '-310px';
		document.getElementById('menu_slider_2').style.top = '-310px';
	} else {
		var newMenuLink = '<span id="mb" onClick="slideMenu(\'up\');">Menu</a>';
		document.getElementById('menu_button').innerHTML=newMenuLink;
		var newMenuLink2 = '<span id="tb" onmousedown="slideMenu(\'up\');"><img src="/Portals/_default/Skins/Scrap/images/blank.gif" width="53" height="187" alt="" class="icon" onclick="this.blur()" /></span></div>';
		document.getElementById('menu_tassle').innerHTML=newMenuLink2;	
	}
}

// slide down menu
function slideMenu(direction) {
	if(direction == 'down') {
		var newMenuLink = '<span id="mb" onClick="slideMenu(\'up\');">Menu</span>';
		var newMenuLink2 = '<span id="tb" onmousedown="slideMenu(\'up\');"><img src="/Portals/_default/Skins/Scrap/images/blank.gif" width="53" height="187" alt="" class="icon" onclick="this.blur()" /></span>';
		$("#menu_slider_1").animate({top: '+0px'}, 1500);
		$("#menu_slider_2").animate({top: '+0px'}, 1500);
		document.getElementById('menu_button').innerHTML=newMenuLink;
		document.getElementById('menu_tassle').innerHTML=newMenuLink2;	
	} else {
		var newMenuLink = '<span id="mb" onClick="slideMenu(\'down\');">Menu (Click Here)</span>';
		var newMenuLink2 = '<span id="tb" onmousedown="slideMenu(\'down\');"><img src="/Portals/_default/Skins/Scrap/images/blank.gif" width="53" height="187" alt="" class="icon" onclick="this.blur()" /></span>';

		$("#menu_slider_1").animate({top: '-310px'}, 1500);
		$("#menu_slider_2").animate({top: '-310px'}, 1500);
		document.getElementById('menu_button').innerHTML=newMenuLink;
		document.getElementById('menu_tassle').innerHTML=newMenuLink2;	
	}
}