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stud/overlib/overlibmws_scroll.js

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+/*
+ overlibmws_scroll.js plug-in module - Copyright Foteos Macrides 2002-2007. All rights reserved.
+  For support of the SCROLL feature.
+  Initial: October 20, 2002 - Last Revised: January 1, 2007
+ See the Change History and Command Reference for overlibmws via:
+
+	http://www.macridesweb.com/oltest/
+
+ Published under an open source license: http://www.macridesweb.com/oltest/license.html
+*/
+
+OLloaded=0;
+OLregCmds('scroll');
+
+// DEFAULT CONFIGURATION
+if(OLud('scroll'))var ol_scroll=0;
+// END CONFIGURATION
+
+var o3_scroll=0,OLscrollRefresh=100;
+
+function OLloadScroll(){
+OLload('scroll');
+}
+
+function OLparseScroll(pf,i,ar){
+var k=i;
+if(k<ar.length){if(Math.abs(ar[k])==SCROLL){OLtoggle(ar[k],pf+'scroll');return k;}}
+return -1;
+}
+
+function OLchkScroll(X,Y){
+if(o3_scroll){if(!OLshowingsticky||
+(OLovertwoPI&&over==over2&&!OLshowingsticky2)||
+(OLdraggablePI&&o3_draggable&&o3_frame==self)||
+(o3_relx==null&&o3_midx==null)||(o3_rely==null&&o3_midy==null))o3_scroll=0;
+else if(typeof over.scroll=='undefined'||over.scroll.canScroll)
+over.scroll=new OLsetScroll(X,Y,OLscrollRefresh);}
+}
+
+function OLsetScroll(X,Y,refresh){
+if(o3_scroll){this.canScroll=0;this.refresh=refresh;this.x=X;this.y=Y;
+this.timer=setTimeout("OLscrollReposition()",this.refresh);}
+}
+
+function OLclearScroll(){
+if(o3_scroll){if(typeof over.scroll=='undefined'){o3_scroll=0;return;}
+over.scroll.canScroll=1;if(over.scroll.timer){
+clearTimeout(over.scroll.timer);over.scroll.timer=null;}}
+}
+
+function OLscrollReposition(){
+var o=over,oD=(OLovertwoPI&&over==over2?'overDiv2':'overDiv');
+if(o3_scroll&&o&&o==OLgetRefById(oD)){var X,Y,pgLeft,pgTop;
+pgLeft=(OLie4)?OLfd().scrollLeft:o3_frame.pageXOffset;
+pgTop=(OLie4)?OLfd().scrollTop:o3_frame.pageYOffset;
+X=(o.pageX?o.pageX:o.style.left?o.style.left:0)-pgLeft;
+Y=(o.pageY?o.pageY:o.style.top?o.style.top:0)-pgTop;
+if(X!=o.scroll.x||Y!=o.scroll.y){
+OLrepositionTo(o,pgLeft+o.scroll.x,pgTop+o.scroll.y);
+if(OLshadowPI)OLrepositionShadow(pgLeft+o.scroll.x,pgTop+o.scroll.y);
+if(OLiframePI)OLrepositionIfs(pgLeft+o.scroll.x,pgTop+o.scroll.y);
+if(OLhidePI)OLhideUtil(0,1,1,0,0,0);}
+o.scroll.timer=setTimeout("OLscrollReposition()",o.scroll.refresh);}
+}
+
+OLregRunTimeFunc(OLloadScroll);
+OLregCmdLineFunc(OLparseScroll);
+
+OLscrollPI=1;
+OLloaded=1;