45 lines
2.2 KiB
JavaScript
45 lines
2.2 KiB
JavaScript
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//\/////
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//\ overLIB Crossframe Support Plugin
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//\ This file requires overLIB 4.00 or later.
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//\
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//\ overLIB 4.05 - You may not remove or change this notice.
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//\ Copyright Erik Bosrup 1998-2004. All rights reserved.
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//\ Contributors are listed on the homepage.
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//\ See http://www.bosrup.com/web/overlib/ for details.
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//\/////
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if (typeof olInfo=='undefined'||olInfo.simpleversion<400) alert('overLIB 4.00 or later is required for the Cross Frame Support Plugin.');registerCommands('frame');
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function parseFrameExtras(pf,i,ar) {var k=i,v;
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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; }
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}
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return-1;}
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function opt_FRAME(frm) {o3_frame=compatibleFrame(frm)?frm:ol_frame;
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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");}
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return 0;}
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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;}
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return true;}
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function frmDepth(thisFrame,ofrm) {var retVal='';
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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;}
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return retVal;}
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function getFrmRef(srcFrm,tgetFrm) {var rtnVal=''
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if (tgetFrm!=srcFrm) {var tFrm=frmDepth(top.frames,tgetFrm)
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var sFrm=frmDepth(top.frames,srcFrm)
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if (sFrm.length==tFrm.length) {l=tFrm.lastIndexOf('[')
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if (l) {while ( sFrm.substring(0,l)!=tFrm.substring(0,l) )
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l=tFrm.lastIndexOf('[',l-1)
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tFrm=tFrm.substr(l)
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sFrm=sFrm.substr(l)
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}
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}
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var cnt=0, p='',str=tFrm
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while ((k=str.lastIndexOf('['))!=-1) {cnt++
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str=str.substring(0,k)
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}
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for (var i=0; i<cnt; i++) p=p+'parent.'
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rtnVal=p+'frames'+sFrm+'.'
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}
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return rtnVal
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}
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function chkForFrmRef() {if(o3_frame!=ol_frame) fnRef=getFrmRef(ol_frame,o3_frame)
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return true;}
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registerCmdLineFunction(parseFrameExtras);registerPostParseFunction(chkForFrmRef);
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