//\/////
//\  overLIB Crossframe Support Module Plugin
//\
//\  You may not remove or change this notice.
//\  Copyright Erik Bosrup 1998-2003. All rights reserved.
//\  Contributors are listed on the homepage.
//\  See http://www.bosrup.com/web/overlib/ for details.
//\/////
////////
// PRE-INIT
// Ignore these lines, configuration is below.
////////
if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.14)) alert('overLIB 4.14 or later is required for the Cross Frame Support Plugin.');
else {
////////
registerCommands('frame');
////////
//  PLUGIN FUNCTIONS
///////
// Parses FRAME command
function parseFrameExtras(pf,i,ar) {
	var k=i,v;
	if (k < ar.length) {
		if (ar[k]==FRAME) { v= ar[++k]; if(pf=='ol_') ol_frame=v; else opt_FRAME(v); return k; }
	}
	return -1;
}
////////
// SUPPORT FUNCTIONS
////////
// Creates div container if doesn't exist
function opt_FRAME(frm) {
 	o3_frame=frm;
	over=createDivContainer('overDiv');
	return 0;
}
// Get frame depth of nested frames
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;
}
// Gets frame reference value relative to top frame
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;
}
////////
// PLUGIN REGISTRATIONS
////////
registerCmdLineFunction(parseFrameExtras);
registerPostParseFunction(chkForFrmRef);
}