var roller=function(){return{init:function(el,ty,sx,ex,d,st){e=document.getElementById(el);if(!e){return;}a=e.getElementsByTagName("a");for(i=0;i<a.length;i++){if(!a[i].id){a[i].id=el.id+i;}
a[i].n=a[i].o=sx;a[i].en=ex;a[i].ty=ty;if(a[i].ty=='v'){a[i].style.backgroundPosition='0px '+a[i].n+'px';}
else if(a[i].ty=='h'){a[i].style.backgroundPosition=a[i].n+'px 0px';}
else{return;}
a[i].onmouseover=roller.o;a[i].onmouseout=roller.o;a[i].st=Math.abs(Math.abs(ex-sx)/st);a[i].t=d/st;}},o:function(e){e=e||window.event;c=e.target!=null?e.target:e.srcElement;if(c.nodeName=='A'&&e.type=="mouseover"){c.w=c.en;roller.s(c);}
else if(c.nodeName=='A'){c.w=c.o;roller.s(c);}},s:function(e){if(e.ti){clearTimeout(e.ti);}
if(Math.abs(e.n-e.w)<e.st){e.n=e.w;}
else if(e.n<e.w){e.n=e.n+e.st;}
else if(e.n>e.w){e.n=e.n-e.st;}
if(e.ty=='v'){e.style.backgroundPosition='0px '+e.n+'px';}
else{e.style.backgroundPosition=e.n+'px 0px';}
if(e.n==e.w){clearTimeout(e.ti);return;}
e.ti=setTimeout(function(){roller.s(e)},e.t);}}}();