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+//\/////
+//\ overLIB Shadow Plugin
+//\ This file requires overLIB 4.10 or later.
+//\
+//\ overLIB 4.05 - 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.
+// $Revision: 1.15 $ $Date: 2004/11/25 21:27:19 $
+//\/////
+//\mini
+
+////////
+// PRE-INIT
+// Ignore these lines, configuration is below.
+////////
+if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.10)) alert('overLIB 4.10 or later is required for the Shadow Plugin.');
+else {
+registerCommands('shadow,shadowcolor,shadowimage,shadowopacity,shadowx,shadowy');
+
+
+////////
+// DEFAULT CONFIGURATION
+// You don't have to change anything here if you don't want to. All of this can be
+// changed on your html page or through an overLIB call.
+////////
+if (typeof ol_shadowadjust=='undefined') var ol_shadowadjust=2; // for Ns4.x only
+if (typeof ol_shadow=='undefined') var ol_shadow=0;
+if (typeof ol_shadowcolor=='undefined') var ol_shadowcolor='#CCCCCC';
+if (typeof ol_shadowimage=='undefined') var ol_shadowimage='';
+if (typeof ol_shadowopacity=='undefined') var ol_shadowopacity=0;
+if (typeof ol_shadowx=='undefined') var ol_shadowx=5;
+if (typeof ol_shadowy=='undefined') var ol_shadowy=5;
+
+////////
+// END OF CONFIGURATION
+// Don't change anything below this line, all configuration is above.
+////////
+
+
+
+
+////////
+// INIT
+////////
+// Runtime variables init. Don't change for config!
+var o3_shadow=0;
+var o3_shadowcolor="#cccccc";
+var o3_shadowimage='';
+var o3_shadowopacity=0;
+var o3_shadowx=5;
+var o3_shadowy=5;
+var bkSet=0; // Needed for this effect in NS4
+
+
+
+// Function which sets runtime variables to their default values
+function setShadowVariables() {
+ o3_shadow=ol_shadow;
+ o3_shadowcolor=ol_shadowcolor;
+ o3_shadowimage=ol_shadowimage;
+ o3_shadowopacity=ol_shadowopacity;
+ o3_shadowx=ol_shadowx;
+ o3_shadowy=ol_shadowy;
+}
+
+
+// Parses shadow commands
+function parseShadowExtras(pf,i,ar) {
+ var k = i, v;
+
+ if (k < ar.length) {
+ if (ar[k]==SHADOW) { eval(pf +'shadow=('+pf+'shadow==0) ? 1 : 0'); return k; }
+ if (ar[k]==SHADOWCOLOR) { eval(pf+'shadowcolor="'+ar[++k]+'"'); return k; }
+ if (ar[k]==SHADOWOPACITY) {v=ar[++k]; eval(pf+'shadowopacity='+(olOp ? 0 : v)); return k; }
+ if (ar[k]==SHADOWIMAGE) { eval(pf+'shadowimage="'+ar[++k]+'"'); return k; }
+ if (ar[k]==SHADOWX) { eval(pf+'shadowx='+ar[++k]); return k; }
+ if (ar[k]==SHADOWY) { eval(pf+'shadowy='+ar[++k]); return k; }
+ }
+
+ return -1;
+}
+
+
+// Function for MOUSEOUT/MOUSEOFF feature with shadow
+function shadow_cursorOff() {
+ var left= parseInt(over.style.left);
+ var top=parseInt(over.style.top);
+ var right=left+(o3_shadow ? o3_width : over.offsetWidth);
+ var bottom=top+(o3_shadow ? o3_aboveheight : over.offsetHeight);
+
+ if (o3_x < left || o3_x > right || o3_y < top || o3_y > bottom) return true;
+ return false;
+}
+
+// Pre-hide processing to clean-up.
+function checkShadowPreHide() {
+ if (o3_shadow && o3_shadowopacity) cleanUpShadowEffects();
+ if (o3_shadow && (olIe4 && isMac) ) over.style.pixelWidth=over.style.pixelHeight = 0;
+}
+
+
+// Funciton that creates the actual shadow
+function generateShadow(content) {
+ var wd, ht, X = 0, Y = 0, zIdx = 0, txt, dpObj, puObj, bS= '', aPos, posStr=new Array();
+
+ if (!o3_shadow || (o3_shadowx == 0 && o3_shadowy == 0)) return;
+
+ X = Math.abs(o3_shadowx);
+ Y = Math.abs(o3_shadowy);
+ wd = parseInt(o3_width);
+ ht = (olNs4) ? over.clip.height : over.offsetHeight;
+
+ if (o3_shadowx == 0) {
+ if (o3_shadowy < 0) {
+ posStr[0]=' left:0; top: 0';
+ posStr[1]=' left:0; top: '+Y+'px';
+ } else if (o3_shadowy > 0) {
+ posStr[0]=' left:0; top: '+Y+'px';
+ posStr[1]=' left:0; top:0';
+ }
+ } else if (o3_shadowy == 0) {
+ if (o3_shadowx < 0) {
+ posStr[0]=' left:0; top: 0';
+ posStr[1]=' left: '+X+'px';
+ } else if (o3_shadowx > 0) {
+ posStr[0]=' left: '+ X+'px; top: 0';
+ posStr[1]=' left:0; top:0';
+ }
+ } else if (o3_shadowx > 0) {
+ if (o3_shadowy > 0) {
+ posStr[0]=' left:'+ X+'px; top:'+Y+'px';
+ posStr[1]=' left:0; top:0';
+ } else if (o3_shadowy < 0) {
+ posStr[0]=' left:'+X+'px; top:0';
+ posStr[1]=' left:0; top: '+Y+'px';
+ }
+ } else if (o3_shadowx < 0) {
+ if (o3_shadowy > 0) {
+ posStr[0]=' left:0; top:'+Y+'px';
+ posStr[1]=' left:'+X+'px; top:0';
+ } else if (o3_shadowy < 0) {
+ posStr[0]=' left:0; top:0';
+ posStr[1]=' left:'+X+'px; top:'+Y+'px';
+ }
+ }
+
+ txt = (olNs4) ? '<div id="backdrop"></div>' : ((olIe55&&olHideForm) ? backDropSource(wd+X,ht+Y,zIdx++) : '') + '<div id="backdrop" style="position: absolute;'+posStr[0]+'; width: '+wd+'px; height: '+ht+'px; z-index: ' + (zIdx++) + '; ';
+
+ if (o3_shadowimage) {
+ bS='background-image: url('+o3_shadowimage+');';
+ if (olNs4) bkSet=1;
+ } else {
+ bS='background-color: '+o3_shadowcolor +';';
+ if (olNs4) bkSet=2;
+ }
+
+ if (olNs4) {
+ txt += '<div id="PUContent">'+content+'</div>';
+ } else {
+ txt += bS+'"></div><div id="PUContent" style="position: absolute;'+posStr[1]+'; width: '+ wd+'px; z-index: '+(zIdx++)+';">'+content+'</div>';
+ }
+
+ layerWrite(txt);
+
+ if (olNs4 && bkSet) {
+ dpObj = over.document.layers['backdrop'];
+ if (typeof dpObj == 'undefined') return; // if shadow layer not found, then content layer won't be either
+
+ puObj = over.document.layers['PUContent'];
+ wd = puObj.clip.width;
+ ht = puObj.clip.height;
+ aPos = posStr[0].split(';');
+
+ dpObj.clip.width = wd;
+ dpObj.clip.height = ht;
+ dpObj.left = parseInt(aPos[0].split(':')[1]);
+ dpObj.top = parseInt(aPos[1].split(':')[1]);
+
+ dpObj.bgColor = (bkSet == 1) ? null : o3_shadowcolor;
+ dpObj.background.src = (bkSet==2) ? null : o3_shadowimage;
+ dpObj.zIndex = 0;
+
+ aPos = posStr[1].split(';');
+ puObj.left = parseInt(aPos[0].split(':')[1]);
+ puObj.top = parseInt(aPos[1].split(':')[1]);
+ puObj.zIndex = 1;
+
+ } else {
+ puObj = (olIe4 ? o3_frame.document.all['PUContent'] : o3_frame.document.getElementById('PUContent'));
+ dpObj = (olIe4 ? o3_frame.document.all['backdrop'] : o3_frame.document.getElementById('backdrop'));
+ ht = puObj.offsetHeight;
+ dpObj.style.height = ht + 'px';
+
+ if (o3_shadowopacity) {
+ var op = o3_shadowopacity;
+ op = (op <= 100 ? op : 100);
+
+ setBrowserOpacity(op,dpObj);
+ }
+ }
+
+ // Set popup's new width and height values here so they are available in placeLayer()
+ o3_width = wd+X;
+ o3_aboveheight = ht+Y;
+}
+
+
+////////
+// SUPPORT FUNCTIONS
+////////
+
+// Cleans up opacity settings if any.
+function cleanUpShadowEffects() {
+ if (olNs4 || olOp) return;
+ var dpObj=(olIe4 ? o3_frame.document.all['backdrop'] : o3_frame.document.getElementById('backdrop'));
+ cleanUpBrowserOpacity(dpObj);
+}
+
+// multi browser opacity support
+function setBrowserOpacity(op,lyr){
+ if (olNs4||!op) return; // if Ns4.x or opacity not given return;
+ lyr=(lyr) ? lyr : over;
+ if (olIe4&&typeof lyr.filters != 'undefined') {
+ lyr.style.filter='Alpha(Opacity='+op+')';
+ lyr.filters.alpha.enabled=true;
+ } else {
+ var sOp=(typeof(lyr.style.MozOpacity)!='undefined') ? 'MozOpacity' : (typeof(lyr.style.KhtmlOpacity)!='undefined' ? 'KhtmlOpacity' : (typeof(lyr.style.opacity)!='undefined' ? 'opacity' : ''));
+ if (sOp) eval('lyr.style.'+sOp+'=op/100');
+ }
+}
+
+// multi-browser Opacity cleanup
+function cleanUpBrowserOpacity(lyr) {
+ if (olNs4) return;
+ lyr=(lyr) ? lyr : over;
+ if (olIe4&&(typeof lyr.filters != 'undefined'&&lyr.filters.alpha.enabled)) {
+ lyr.style.filter='Alpha(Opacity=100)';
+ lyr.filters.alpha.enabled=false;
+ } else {
+ var sOp=(typeof(lyr.style.MozOpacity)!='undefined') ? 'MozOpacity' : (typeof(lyr.style.KhtmlOpacity)!='undefined' ? 'KhtmlOpacity' : (typeof(lyr.style.opacity)!='undefined' ? 'opacity' : ''));
+ if (sOp) eval('lyr.style.'+sOp+'=1.0');
+ }
+}
+
+// This routine is needed only for Ns4.x to allow use of popups with dropshadows and CSSCLASS at the same time on a page
+function shadowAdjust() {
+ if (!olNs4) return;
+ var fac = ol_shadowadjust;
+ if (olNs4) {
+ document.write('<style type="text/css">\n<!--\n');
+ document.write('#backdrop, #PUContent {position: absolute; left: '+fac*o3_shadowx+'px; top: '+fac*o3_shadowy+'px; }\n');
+ document.write('-->\n<' + '\/style>');
+ }
+}
+
+////////
+// PLUGIN REGISTRATIONS
+////////
+var before = (typeof rmrkPreface!='undefined' ? rmrkPreface : null);
+
+registerRunTimeFunction(setShadowVariables);
+registerCmdLineFunction(parseShadowExtras);
+registerHook("cursorOff",shadow_cursorOff,FREPLACE);
+registerHook("hideObject",checkShadowPreHide,FBEFORE);
+registerHook("createPopup",generateShadow,FAFTER,before);
+if (olInfo.meets(4.10)) registerNoParameterCommands('shadow');
+
+if (olNs4) shadowAdjust(); // write style rules for proper support of Ns4.x
+} \ No newline at end of file