var timerlen=5;var slideAniLen=250;var timerID=new Array();var startTime=new Array();var obj=new Array();var endHeight=new Array();var moving=new Array();var dir=new Array();function slidedown(objname){if(moving[objname])
return;if(document.getElementById(objname).style.display!="none")
return;moving[objname]=true;dir[objname]="down";startslide(objname);}
function slideup(objname){if(moving[objname])
return;if(document.getElementById(objname).style.display=="none")
return;moving[objname]=true;dir[objname]="up";startslide(objname);}
function startslide(objname){obj[objname]=document.getElementById(objname);endHeight[objname]=parseInt(obj[objname].style.height);startTime[objname]=(new Date()).getTime();if(dir[objname]=="down"){obj[objname].style.height="1px";}
obj[objname].style.display="block";timerID[objname]=setInterval('slidetick(\''+objname+'\');',timerlen);}
function slidetick(objname){var elapsed=(new Date()).getTime()-startTime[objname];if(elapsed>slideAniLen)
endSlide(objname)
else{var d=Math.round(elapsed/slideAniLen*endHeight[objname]);if(dir[objname]=="up")
d=endHeight[objname]-d;obj[objname].style.height=d+"px";}
return;}
function endSlide(objname){clearInterval(timerID[objname]);if(dir[objname]=="up")
obj[objname].style.display="none";obj[objname].style.height=endHeight[objname]+"px";delete(moving[objname]);delete(timerID[objname]);delete(startTime[objname]);delete(endHeight[objname]);delete(obj[objname]);delete(dir[objname]);return;}
function toggleSlide(objname){if(document.getElementById(objname).style.display=="none"){slidedown(objname);}else{slideup(objname);}}