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From 2012.igem.org

var TINY={};

function T$(i){return document.getElementById(i)} function T$$(e,p){return p.getElementsByTagName(e)}

TINY.dropdown=function(){ var p={fade:1,slide:1,active:0,timeout:200}, init=function(n,o){ for(s in o){p[s]=o[s]} p.n=n; this.build() }; init.prototype.build=function(){ this.h=[]; this.c=[]; this.z=1000; var s=T$$('ul',T$(p.id)), l=s.length, i=0; p.speed=p.speed?p.speed*.1:.5; for(i;i<l;i++){ var h=s[i].parentNode; this.h[i]=h; this.c[i]=s[i]; h.onmouseover=new Function(p.n+'.show('+i+',1)'); h.onmouseout=new Function(p.n+'.show('+i+')') } }; init.prototype.show=function(x,d){ var c=this.c[x], h=this.h[x]; clearInterval(c.t); clearInterval(c.i); c.style.overflow='hidden'; if(d){ if(p.active&&h.className.indexOf(p.active)==-1){h.className+=' '+p.active} if(p.fade||p.slide){ c.style.display='block'; if(!c.m){ if(p.slide){ c.style.visibility='hidden'; c.m=c.offsetHeight; c.style.height='0'; c.style.visibility= }else{ c.m=100; c.style.opacity=0; c.style.filter='alpha(opacity=0)' } c.v=0 } if(p.slide){ if(c.m==c.v){ c.style.overflow='visible' }else{ c.style.zIndex=this.z; this.z++; c.i=setInterval(function(){slide(c,c.m,1)},20) } }else{ c.style.zIndex=this.z; this.z++; c.i=setInterval(function(){slide(c,c.m,1)},20) } }else{ c.style.zIndex=this.z; c.style.display='block' } }else{ c.t=setTimeout(function(){hide(c,p.fade||p.slide?1:0,h,p.active)},p.timeout) } }; function hide(c,t,h,s){ if(s){h.className=h.className.replace(s,)} if(t){c.i=setInterval(function(){slide(c,0,-1)},20)}else{c.style.display='none'} } function slide(c,t,d){ if(c.v==t){ clearInterval(c.i); c.i=0; if(d==1){ if(p.fade){c.style.filter=; c.style.opacity=1} c.style.overflow='visible' } }else{ c.v=(t-Math.floor(Math.abs(t-c.v)*p.speed)*d); if(p.slide){c.style.height=c.v+'px'} if(p.fade){var o=c.v/c.m; c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')'} } } return{init:init} }();