function textbook_1() { var i,x,a=document.m_click; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc; }
function textbook_2() { var d=document; if(d.images){ if(!d.e_vent) d.e_vent=new Array(); var i,j=d.e_vent.length,a=textbook_2.arguments; for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){ d.e_vent[j]=new Image; d.e_vent[j++].src=a[i];}} }
function textbook_3(n, d) { var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=textbook_3(n,d.layers[i].document); return x; }
function textbook_4() { var i,j=0,x,a=textbook_4.arguments; document.m_click=new Array; for(i=0;i<(a.length-2);i+=3) if ((x=textbook_3(a[i]))!=null){document.m_click[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];} }
function textbscript(url, description) {
window.onerror=handle2;
function handle2() {
msg="Please use your browser's toolbar to add our website to your bookmarks."
alert(msg); return true; } if (navigator.appName=='Microsoft Internet Explorer') { window.external.AddFavorite(url, description); }
else if (navigator.appName != 'Microsoft Internet Explorer') { alert(msg); return true; } }