/*************************************************************************

  dw_viewport.js
  version date Nov 2003
  
  This code is from Dynamic Web Coding 
  at http://www.dyn-web.com/
  Copyright 2003 by Sharon Paine 
  See Terms of Use at http://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!

*************************************************************************/
var viewport={getWinWidth:function(){this.width=0;if(window.innerWidth)this.width=window.innerWidth-18;else if(document.documentElement&&document.documentElement.clientWidth)
this.width=document.documentElement.clientWidth;else if(document.body&&document.body.clientWidth)
this.width=document.body.clientWidth;},getWinHeight:function(){this.height=0;if(window.innerHeight)this.height=window.innerHeight-18;else if(document.documentElement&&document.documentElement.clientHeight)
this.height=document.documentElement.clientHeight;else if(document.body&&document.body.clientHeight)
this.height=document.body.clientHeight;},getScrollX:function(){this.scrollX=0;if(typeof window.pageXOffset=="number")this.scrollX=window.pageXOffset;else if(document.documentElement&&document.documentElement.scrollLeft)
this.scrollX=document.documentElement.scrollLeft;else if(document.body&&document.body.scrollLeft)
this.scrollX=document.body.scrollLeft;else if(window.scrollX)this.scrollX=window.scrollX;},getScrollY:function(){this.scrollY=0;if(typeof window.pageYOffset=="number")this.scrollY=window.pageYOffset;else if(document.documentElement&&document.documentElement.scrollTop)
this.scrollY=document.documentElement.scrollTop;else if(document.body&&document.body.scrollTop)
this.scrollY=document.body.scrollTop;else if(window.scrollY)this.scrollY=window.scrollY;},getAll:function(){this.getWinWidth();this.getWinHeight();this.getScrollX();this.getScrollY();}}