/*************************************************************************
  This code is from Dynamic Web Coding at www.dyn-web.com
  Copyright 2003-4 by Sharon Paine
  See Terms of Use at www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/
dynObj.prototype.slideTo=function(destX,destY,slideDur,acc,endFn){if(!document.getElementById)return;this.slideDur=slideDur||.0001;var acc=-acc||0;if(endFn)this.onSlideEnd=endFn;if(destX==null)this.destX=this.x;else this.destX=destX;if(destY==null)this.destY=this.y;else this.destY=destY;this.startX=this.x;this.startY=this.y;this.st=new Date().getTime();this.xc1=this.x+((1+acc)*(this.destX-this.x)/3);this.xc2=this.x+((2+acc)*(this.destX-this.x)/3);this.yc1=this.y+((1+acc)*(this.destY-this.y)/3);this.yc2=this.y+((2+acc)*(this.destY-this.y)/3);this.sliding=true;this.onSlideStart();dw_Animation.add(this.animString+".doSlide()");}
dynObj.prototype.doSlide=function(){if(!this.sliding)return;var elapsed=new Date().getTime()-this.st;if(elapsed<this.slideDur){var x=dw_Bezier.getValue(elapsed/this.slideDur,this.startX,this.destX,this.xc1,this.xc2);var y=dw_Bezier.getValue(elapsed/this.slideDur,this.startY,this.destY,this.yc1,this.yc2);this.shiftTo(Math.round(x),Math.round(y));this.onSlide();}else{dw_Animation.remove(this.animString+".doSlide()");this.shiftTo(this.destX,this.destY);this.onSlide();this.sliding=false;this.onSlideEnd();}}
dynObj.prototype.slideBy=function(dx,dy,slideDur,acc,endFn){var destX=this.x+dx;var destY=this.y+dy;this.slideTo(destX,destY,slideDur,acc,endFn);}
dynObj.prototype.onSlideStart=function(){}
dynObj.prototype.onSlide=function(){}
dynObj.prototype.onSlideEnd=function(){if(this.el)this.el=null;}