<!--
var ScrollWin={w3c:document.getElementById,iex:document.all,scrollLoop:false,scrollInterval:null,currentBlock:null,getWindowHeight:function(){if(this.iex)return(document.documentElement.clientHeight)?document.documentElement.clientHeight:document.body.clientHeight;else return window.innerHeight;},getScrollLeft:function(){if(this.iex)return(document.documentElement.scrollLeft)?document.documentElement.scrollLeft:document.body.scrollLeft;else return window.pageXOffset;},getScrollTop:function(){if(this.iex)return(document.documentElement.scrollTop)?document.documentElement.scrollTop:document.body.scrollTop;else return window.pageYOffset;},getElementYpos:function(el){var y=0;while(el.offsetParent){y+=el.offsetTop
el=el.offsetParent;}
return y;},scroll:function(num){if(!this.w3c){location.href="#"+this.anchorName+num;return;}
if(this.scrollLoop){clearInterval(this.scrollInterval);this.scrollLoop=false;this.scrollInterval=null;}
if(this.currentBlock!=null)this.currentBlock.className=this.offClassName;this.currentBlock=document.getElementById(this.blockName+num);this.currentBlock.className=this.onClassName;var doc=document.getElementById(this.containerName);var documentHeight=this.getElementYpos(doc)+doc.offsetHeight;var windowHeight=this.getWindowHeight();var ypos=this.getElementYpos(this.currentBlock);if(ypos>documentHeight-windowHeight)ypos=documentHeight-windowHeight;this.scrollTo(0,ypos);},scrollTo:function(x,y){if(this.scrollLoop){var left=this.getScrollLeft();var top=this.getScrollTop();if(Math.abs(left-x)<=1&&Math.abs(top-y)<=1){window.scrollTo(x,y);clearInterval(this.scrollInterval);this.scrollLoop=false;this.scrollInterval=null;}else{window.scrollTo(left+(x-left)/2,top+(y-top)/2);}}else{this.scrollInterval=setInterval("ScrollWin.scrollTo("+x+","+y+")",100);this.scrollLoop=true;}}};ScrollWin.containerName="vs_container";ScrollWin.anchorName="";ScrollWin.blockName="";ScrollWin.onClassName="activeDiv";ScrollWin.offClassName="visitedDiv";