overlib_crossframe_mini.js

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//\/////
//\  overLIB Crossframe Support Plugin
//\  This file requires overLIB 4.00 or later.
//\
//\  overLIB 4.00 - You may not remove or change this notice.
//\  Copyright Erik Bosrup 1998-2004. All rights reserved.
//\  Contributors are listed on the homepage.
//\  See http://www.bosrup.com/web/overlib/ for details.
//\/////
if (typeof olInfo=='undefined'||olInfo.simpleversion<400) alert('overLIB 4.00 or later is required for the Cross Frame Support Plugin.');registerCommands('frame');
function parseFrameExtras(pf,i,ar) {var k=i,v;
if (k<ar.length) {if (ar[k]==FRAME) { v=ar[++k]; if(pf=='ol_'&&compatibleframe(v)) ol_frame=v; else opt_FRAME(v); return k; }
}
return-1;}
function opt_FRAME(frm) {o3_frame=compatibleFrame(frm)?frm:ol_frame;
if (olNs4) {over=o3_frame.document.layers['overDiv'];} else if (document.all) {over=o3_frame.document.all['overDiv'];} else if (document.getElementById) {over=o3_frame.document.getElementById("overDiv");}
return 0;}
function compatibleFrame(frameid) {if (olNs4&&typeof frameid.document.overDiv=='undefined') {return false;} else if (document.all&&typeof frameid.document.all["overDiv"]=='undefined') {return false;} else if (document.getElementById&&frameid.document.getElementById('overDiv')==null) {return false;}
return true;}
function frmDepth(thisFrame,ofrm) {var retVal='';
for (var i=0; i<thisFrame.length; i++) {if (thisFrame[i].length>0) {retVal=frmDepth(thisFrame[i],ofrm);if (retVal=='') continue;} else if (thisFrame[i]!=ofrm) continue;retVal='['+i+']'+retVal;break;}
return retVal;}
function getFrmRef(srcFrm,tgetFrm) {var rtnVal=''
if (tgetFrm!=srcFrm) {var tFrm=frmDepth(top.frames,tgetFrm)
var sFrm=frmDepth(top.frames,srcFrm)
if (sFrm.length==tFrm.length) {l=tFrm.lastIndexOf('[')
if (l) {while ( sFrm.substring(0,l)!=tFrm.substring(0,l) )
l=tFrm.lastIndexOf('[',l-1)
tFrm=tFrm.substr(l)
sFrm=sFrm.substr(l)
}
}
var cnt=0, p='',str=tFrm
while ((k=str.lastIndexOf('['))!=-1) {cnt++
str=str.substring(0,k)
}
for (var i=0; i<cnt; i++) p=p+'parent.'
rtnVal=p+'frames'+sFrm+'.'
}
return rtnVal
}
function chkForFrmRef() {if(o3_frame!=ol_frame) fnRef=getFrmRef(ol_frame,o3_frame)
return true;}
registerCmdLineFunction(parseFrameExtras);registerPostParseFunction(chkForFrmRef);