// Copyright (c) 2000-2007 Unidocs. All rights reserved.
function cf(pageno,which){if(ja+1<=pageno&&pageno<ah){an[m][which].isLoaded=false;if(which==PAGE_LEFT)an[m][which].img.onload=pk;else an[m][which].img.onload=pl;an[m][which].img.onerror=tq;an[m][which].img.src=dm('medium',pageno);}else{ek++}}function gn(ih,which){if(ih){an[m][which].isLoaded=false;if(ih=='head')an[m][which].img.onload=pk;else an[m][which].img.onload=pl;an[m][which].img.onerror=tr;an[m][which].img.src=ts(ih);}else{ek++}}function pk(){an[m][PAGE_LEFT].isLoaded=true;if(m==ab)LeftBottomImg.src=an[m][PAGE_LEFT].img.src;else if(m==ag)LeftTopImg.src=an[m][PAGE_LEFT].img.src;ek++}function pl(){an[m][PAGE_RIGHT].isLoaded=true;if(m==ab)RightBottomImg.src=an[m][PAGE_RIGHT].img.src;else if(m==ag)RightTopImg.src=an[m][PAGE_RIGHT].img.src;ek++}function hv(pageno){var imagePage=new Array(2);imagePage[0]=new imageObject();imagePage[1]=new imageObject();an[pageno]=imagePage}function imageObject(){this.isLoaded=false;this.img=new Image();}function tr(){tu=true}function tq(){tu=true;closeBook();}function dm(size,pageno){if(pageno==-1||pageno>=ah)return"";else{if(ga&&fz&&EN_FULLDRAW)return fm+"ext_"+size+'/'+gd(hg+'_'+imagePageList[pageno]).toUpperCase()+".jpg";else return fm+size+'/'+gd(hg+'_'+imagePageList[pageno]).toUpperCase()+".jpg"}}function ts(ih){var size="medium";if(ih=='head'){return dq+'/media/'+go}else if(ih=='tail'){return dq+'/media/'+hn}}function wi(pageno){if(0<=pageno&&pageno<ah){largeSizeImage.src=dm('middle',pageno);largeSizeImage.onload=tv}}function tv(){LargeImageSrc.src=largeSizeImage.src}