var _Zref=escape(document.referrer), _Zloc=escape(window.location); if(window.top.location!=document.location){try {_Zref = escape(top.document.referrer)} catch (e) {}try {_Zloc = escape(top.location)} catch (e) {}} function _Zhv_(){var a=0;if(window.top.location==document.location && document.body ){var j=document.body.scrollHeight,v=document.body.clientHeight;if(v&&j){a=Math.round(j);}} return a;} document.write('');