var U=navigator.userAgent;var Win=U.indexOf("Win",0) !=-1;var Mac=U.indexOf("Mac",0) !=-1;var IE=((U.indexOf("MSIE") !=-1) &&(U.indexOf("Opera")==-1));var Firefox=U.indexOf("Firefox") !=-1;var Gecko=(U.indexOf("Gecko") !=-1) &&(U.indexOf("like Gecko")==-1);var Opera=U.indexOf("Opera") !=-1;var Safari=U.indexOf("Safari") !=-1;var Standard=document.compatMode=="CSS1Compat";var Quirks=document.compatMode=="BackCompat";var pageScrollTimer;function toPageTop(){if(IE||Gecko||Opera||Safari){pageScroll(0,0,5);}}function toAnchor(_id){if(_id &&(IE||Gecko||Opera||Safari)){var anchorY=getPos(_id).y - 20;var maxY=getPos("end").y - getClientHeight();var tgtY=(anchorY<1)?0:(anchorY>maxY)?maxY:anchorY;pageScroll(0,tgtY,5);}}function pageScroll(_toX,_toY,_spd,_curX,_curY){if(pageScrollTimer) clearTimeout(pageScrollTimer);var time=20;if(!_toX||_toX<0) _toX=0;if(!_toY||_toY<0) _toY=0;if(!_spd) _spd=3;if(!_curX) _curX=0+getScrollLeft();if(!_curY) _curY=0+getScrollTop();_curX+=(_toX - getScrollLeft())/_spd;if(_curX<0) _curX=0;_curY+=(_toY - getScrollTop())/_spd;if(_curY<0) _curY=0;var posX=Math.floor(_curX);var posY=Math.floor(_curY);window.scrollTo(posX,posY);if((Math.floor(Math.abs(_curX - _toX))<1) &&(Math.floor(Math.abs(_curY - _toY))<1)){clearTimeout(pageScrollTimer);window.scrollTo(_toX,_toY);}else if(posY !=_toY){pageScrollTimer=setTimeout("pageScroll("+_toX+","+_toY+","+_spd+","+_curX+","+_curY+")",time);}else{clearTimeout(pageScrollTimer);}}function setObj(_id){if(document.all){return document.all(_id);}else if(document.getElementById){return document.getElementById(_id);}return false;}function getPos(_id){var obj=setObj(_id);var objnew=new Object();var objtmp;if(document.getElementById){objtmp=obj;objnew.x=objtmp.offsetLeft;objnew.y=objtmp.offsetTop;while((objtmp=objtmp.offsetParent) !=null){objnew.x+=objtmp.offsetLeft;objnew.y+=objtmp.offsetTop;}}else if(document.all){objtmp=obj;objnew.x=objtmp.offsetLeft;objnew.y=objtmp.offsetTop;while((objtmp=objtmp.offsetParent) !=null){objnew.x+=objtmp.offsetLeft;objnew.y+=objtmp.offsetTop;}}else{objnew.x=0;objnew.y=0;}return objnew;}function getScrollLeft(){if(Standard){return document.body.parentNode.scrollLeft;}else if(IE){return document.body.scrollLeft;}else if(Gecko||Opera||Safari){return window.pageXOffset;}else{return 0;}}function getScrollTop(){if(Standard){return document.body.parentNode.scrollTop;}else if(IE){return document.body.scrollTop;}else if(Gecko||Opera||Safari){return window.pageYOffset;}else{return 0;}}function getClientHeight(){if(Standard && IE||Standard && Gecko ){return document.documentElement.clientHeight;}else if(IE||Gecko||Opera){return document.body.clientHeight;}else if(Safari){return window.innerHeight;}}