var SHOWBOX=function(id1,id2,id3,id4,attr){var box_max_height=attr.max_height;var box_min_height=attr.min_height;var obj1=id1;var obj2=id2;var obj3=id3;var obj4=id4;this.start=function(direction){if(typeof events_interval!='undefined'){clearInterval(events_interval);}
if(direction==0){obj1=id2;obj2=id1;obj3=id4;obj4=id3;}
else{obj1=id1;obj2=id2;obj3=id3;obj4=id4;}
var max_height=document.getElementById(obj1).style.height;if(!max_height){max_height=document.getElementById(obj1).offsetHeight.toString();}
max_height=max_height.replace("px","");if(max_height>=attr.max_height){return;}
box_max_height=attr.max_height;box_min_height=attr.min_height;document.getElementById(obj1).style.overflow="hidden";document.getElementById(obj2).style.overflow="hidden";document.getElementById(obj1).style.backgroundImage="url("+attr.bg_max+")";document.getElementById(obj3).style.display="none";document.getElementById(obj4).style.display="block";events_interval=setInterval(function(){showbox();},attr.delay);}
function showbox(){if(attr.max_height>=box_min_height){box_min_height+=attr.amount;box_max_height-=attr.amount;document.getElementById(obj1).style.height=box_min_height+"px";document.getElementById(obj2).style.height=box_max_height+"px";}
else{document.getElementById(obj1).style.overflow="auto";document.getElementById(obj2).style.backgroundImage="url("+attr.bg_min+")";clearInterval(events_interval);return;}}};