var Common = { // Common class methods matchClass : function( oElement, sClassName ) { return oElement && oElement.className && oElement.className.match(new RegExp('(^|\\s+)' + sClassName + '($|\\s+)')); }, addClass : function( oElement, sClassName ) { if(oElement && !this.matchClass(oElement, sClassName)) { oElement.className += ' ' + sClassName; } }, removeClass : function( oElement, sClassName ) { if(oElement && oElement.className) { oElement.className = oElement.className.replace(new RegExp('(.*)(^|\\s+)(' + sClassName + ')($|\\s+)(.*)'), '$1$4$5').replace(/(^)\s/, '$1'); } }, // Common event methods addEvent : function( oElement, sEventType, fEventFunc, bCapture ) { if(oElement.addEventListener) { oElement.addEventListener( sEventType, fEventFunc, bCapture? true : false ); } else if(oElement.attachEvent) { oElement.attachEvent( 'on' + sEventType, fEventFunc ); } }, removeEvent : function( oElement, sEventType, fEventFunc, bCapture ) { if(oElement.removeEventListener) { oElement.removeEventListener( sEventType, fEventFunc, bCapture? true : false ); } else if(oElement.detachEvent) { oElement.detachEvent( 'on' + sEventType, fEventFunc ); } }, extend : function( oSource, oDestination ) { for(var i in oSource) { oDestination[i] = oSource[i]; } return oDestination; }, oPopupDefaults : { iWidth : 900, iHeight : 680, sToolbar : 'no', sMenubar : 'no', sResizeable : 'no', sScrollbars : 'yes', sStatus : 'no' }, popup : function( sUrl, sName, oOptions, bReplace ) { oOptions = this.extend( oOptions, this.oPopupDefaults ); var iLeftOffset = screen.availWidth / 2 - oOptions.iWidth / 2; var iTopOffset = screen.availHeight / 2 - oOptions.iHeight / 2; oNewWindow = window.open( sUrl, sName, 'left=' + iLeftOffset + ', ' + 'top = ' + iTopOffset + ', ' + 'width=' + oOptions.iWidth + ', ' + 'height=' + oOptions.iHeight + ', ' + 'resizable=' + oOptions.sResizeable + ', ' + 'toolbar=' + oOptions.sToolbar + ', ' + 'scrollbars=' + oOptions.sScrollbars + ', ' + 'status=' + oOptions.sStatus ); if(sUrl.match(/\.(gif|jpe?g|png)$/i)) { oNewWindow.document.open(); oNewWindow.document.write('' + '' + '

' + '

' ); oNewWindow.document.close(); } oNewWindow.focus(); return false; } }