/*
 * Smooth Scrolling
*/

function gotoit(target){ HtinyScrolling.scrollToIt(target);}
window.onload = function() { HtinyScrolling.init();}
var HtinyScrolling = { speed : 50, maxStep: 150, brakeK: 5, hash:null, currentBlock:null, requestedX:0, init: function() { var lnks = document.getElementsByTagName('a'); for(var i = 0, lnk; lnk = lnks[i]; i++) { if ((lnk.href && lnk.href.indexOf('#') != -1) && ( (lnk.pathname == location.pathname) || ('/'+lnk.pathname == location.pathname) ) && (lnk.search == location.search)) { addEvent(lnk,'click',HtinyScrolling.initScroll,false); lnk.onclick=function(){return false;}
}
}
}, getTarget: function(target) { while(target.tagName.toLowerCase() != 'a')
target = target.parentNode; return target;}, getElementXpos: function(el){ var x = 0; while(el.offsetParent){ x += el.offsetLeft; el = el.offsetParent;} return x;}, getScrollLeft: function(){ if(document.all) return (document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft; else return window.pageXOffset;}, getWindowWidth: function(){ if (window.innerWidth) return window.innerWidth; if(document.documentElement && document.documentElement.clientWidth) return document.documentElement.clientWidth;}, getDocumentWidth: function(){ if (document.width) return document.width; if(document.body.offsetWidth) return document.body.offsetWidth;}, initScroll: function(e){ var targ; if (!e) var e = window.event; if (e.target) targ = e.target; else if (e.srcElement) targ = e.srcElement; targ = HtinyScrolling.getTarget(targ); HtinyScrolling.hash = targ.href.substr(targ.href.indexOf('#')+1,targ.href.length); HtinyScrolling.currentBlock = document.getElementById(HtinyScrolling.hash); if(!HtinyScrolling.currentBlock) return; HtinyScrolling.requestedX = HtinyScrolling.getElementXpos(HtinyScrolling.currentBlock); HtinyScrolling.scroll(targ); return false;}, scrollToIt: function(targ){ target = document.getElementById(targ); HtinyScrolling.currentBlock = document.getElementById(targ); if(!HtinyScrolling.currentBlock) return; HtinyScrolling.requestedX = HtinyScrolling.getElementXpos(HtinyScrolling.currentBlock); HtinyScrolling.scroll(target); return false;}, scroll: function(targ){ var left = HtinyScrolling.getScrollLeft(); if(HtinyScrolling.requestedX > left) { var endDistance = Math.round((HtinyScrolling.getDocumentWidth() - (left + HtinyScrolling.getWindowWidth())) / HtinyScrolling.brakeK); endDistance = Math.min(Math.round((HtinyScrolling.requestedX-left)/ HtinyScrolling.brakeK), endDistance); var offset = Math.min(Math.abs(Math.round((HtinyScrolling.requestedX-left)/ HtinyScrolling.brakeK)), HtinyScrolling.maxStep);}else { var offset = - Math.min(Math.abs(Math.round((HtinyScrolling.requestedX-left)/ HtinyScrolling.brakeK)), HtinyScrolling.maxStep);}
window.scrollTo(left + offset, 0); if(Math.abs(left-HtinyScrolling.requestedX) <= 1 || HtinyScrolling.getScrollLeft() == left) { HtinyScrolling.hash = null;} else setTimeout(HtinyScrolling.scroll,HtinyScrolling.speed);}
}
var scrollTips = { dx : null, init : function() { if (window.addEventListener) { window.addEventListener("DOMMouseScroll", this.mouseScroll, false);} else document.attachEvent("onmousewheel", this.mouseScroll); var left = document.getElementById('left'); addEvent(left,'mouseover', function() {this.dx=setInterval('scrollTips.arrowScroll(0)',100);return false;}); addEvent(left,'mouseout', function() { clearInterval(this.dx); return false;}); var right = document.getElementById('right'); addEvent(right,'mouseover', function() {this.dx=setInterval('scrollTips.arrowScroll(1)',100);return false;}); addEvent(right,'mouseout', function() { clearInterval(this.dx); return false;});}, mouseScroll : function(e) { if (!e) var e = window.event; if (e.wheelDelta <= 0 || e.detail>=0){ window.scrollBy(80,0);} else window.scrollBy(-80,0) ;}, arrowScroll: function(val) { if(val==1) { window.scrollBy(70,0);} else { window.scrollBy(-70,0)
}
}
}
var mark = { valop : 100, req : 0, make_hex: function(r,g,b) { r = r.toString(16); if (r.length == 1) r = '0' + r; g = g.toString(16); if (g.length == 1) g = '0' + g; b = b.toString(16); if (b.length == 1) b = '0' + b; return "#" + r + g + b;}, change_colors: function(id, fps, duration, from, to) { var frames = Math.round(fps * (duration / 1000)); var interval = duration / frames; var delay = interval; var frame = 0; if (from.length < 7) from += from.substr(1,3); if (to.length < 7) to += to.substr(1,3); var rf = parseInt(from.substr(1,2),16); var gf = parseInt(from.substr(3,2),16); var bf = parseInt(from.substr(5,2),16); var rt = parseInt(to.substr(1,2),16); var gt = parseInt(to.substr(3,2),16); var bt = parseInt(to.substr(5,2),16); var r,g,b,h; while (frame < frames) { r = Math.floor(rf * ((frames-frame)/frames) + rt * (frame/frames)); g = Math.floor(gf * ((frames-frame)/frames) + gt * (frame/frames)); b = Math.floor(bf * ((frames-frame)/frames) + bt * (frame/frames)); h = this.make_hex(r,g,b); setTimeout("mark.set_img_bgcolor('"+id+"','"+h+"')", delay); frame++; delay = interval * frame;}
setTimeout("mark.set_img_bgcolor('"+id+"','"+to+"')", delay);}, set_img_bgcolor: function(id, c) { if(document.getElementById(id).getElementsByTagName('img')[0]) { var o = document.getElementById(id).getElementsByTagName('img')[0]; o.style.backgroundColor = c;} else return;}, get_img_bgcolor: function(id) { var o = document.getElementById(id).getElementsByTagName('img')[0]; while(o) { var c; if (window.getComputedStyle) c = window.getComputedStyle(o,null).getPropertyValue("background-color"); if (o.currentStyle) c = o.currentStyle.backgroundColor; if ((c != "" && c != "transparent") || o.tagName == "BODY") { break;}
o = o.parentNode;}
if (c == undefined || c == "" || c == "transparent") c = "#FFFFFF"; var rgb = c.match(/rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/); if (rgb) c = this.make_hex(parseInt(rgb[1]),parseInt(rgb[2]),parseInt(rgb[3])); return c;}, change_opacity: function(el) { if(!(/^menu/.test(el))) { var post = document.getElementById(el); if (mark.valop > 10 && mark.req == 0) { mark.valop -= 10; mark.set_opacity(post,mark.valop); if(mark.valop == 10) {mark.req = 1};} else
if (mark.valop < 100 && mark.req == 1) { mark.valop += 10; mark.set_opacity(post,mark.valop); if(mark.valop == 100) {mark.req = 2};}
if (mark.req != 2){ setTimeout("mark.change_opacity('"+el+"')", 50);}
else { mark.set_opacity(post,9999); mark.req = 0; return;}
}
}, set_opacity: function(post,val){ post.style.opacity='0.' + val ; post.style.filter="alpha(opacity=" + val + ")";}
}
function addEvent( obj, type, fn ) { if (obj.addEventListener)
obj.addEventListener( type, fn, false ); else if (obj.attachEvent) { obj["e"+type+fn] = fn; obj[type+fn] = function() { obj["e"+type+fn]( window.event );}
obj.attachEvent( "on"+type, obj[type+fn] );}
}
function removeEvent( obj, type, fn ) { if (obj.removeEventListener)
obj.removeEventListener( type, fn, false ); else if (obj.detachEvent) { obj.detachEvent( "on"+type, obj[type+fn] ); obj[type+fn] = null; obj["e"+type+fn] = null;}
}


/*
 * Preloader
*/

var preload = new Array('i/_equestrian/gallery/large/01.jpg',
'i/_world/gallery/large/01.jpg',
'i/_flora/gallery/large/01.jpg',
'i/_dance/gallery/large/01.jpg');

var loader = new Array();
for(var i = 0; i < preload.length; i++){
   loader[i] = new Image();
   loader[i].src = preload[i];
}


/*
 * Removes space bar functionality
 * We don't want to see the floor of the gallery!

window.onkeydown=function(e){
	if(e.keyCode==32){
		return false;
	}

*/