// SCRIPTS FOR UTILMENU.HTM var ddmenuThisPage_Style = null; // Style object for this page's entry in dd menu function initialiseUtilMenu(pageID) { if (pageID > 0) { SetDHTMLElementVisibility(ddmenuHeader, true); SetDHTMLElementVisibility(utilHomeHeader, true); SetDHTMLElementVisibility(utilFavoritesHeader, true); SetDHTMLElementVisibility(utilPrintPageHeader, true); SetDHTMLElementVisibility(utilContactHeader, true); var ddmenuThisPage_IDString = 'ddmenuItem' + pageID; ddmenuThisPage_Style = GetDHTMLElementStyle(ddmenuThisPage_IDString); } if (!BrowserIsInternetExplorer() || (InternetExplorerVersion() < 5)) alert('You will need Internet Explorer 5.0 or later \nto view this web site correctly.\n\nA version of the site for users of Netscape 6 and \nlater will go on line shortly.'); } // -- Drop-down menu Popup -------------------------------------- var ddmenuDelay = 200; // No. of ms before closure var ddmenuTimeoutID = 0; var ddmenuTimeoutRunning = false; function hideddmenuPopup(event) { HidePopup('ddmenuPopup', event); } function showddmenuPopup(evt) { if (pageInitialised) { hideddmenuPopup(evt); ShowPopup('ddmenuPopup', 0, LeftXOfInlineElem('ddmenuHeader') + (GetDHTMLElementWidth('ddmenuHeader')/2) - 32, TopYOfInlineElem('ddmenuHeader')+GetDHTMLElementHeight('ddmenuHeader')-2, evt); ddmenuThisPage_Style.display = 'none'; } } function ddmenuTimeoutReset() // Called: onMouseOver all ddmenu elements { if (ddmenuTimeoutRunning) { clearTimeout(ddmenuTimeoutID); ddmenuTimeoutRunning = false; } } function ddmenuCloseAfterDelay(evt) // Called: onMouseOut all ddmenu elements { ddmenuTimeoutReset(); ddmenuTimeoutID = setTimeout('hideddmenuPopup(' + evt + ')', ddmenuDelay); ddmenuTimeoutRunning = true; } function ddmenuOpen(evt) // Called: onMouseOver parent link { ddmenuTimeoutReset(); // Clear any existing timeouts showddmenuPopup(evt); } // -- Open / Close Animation ------------------------------------ // -- Open / Close Coords -- var anim_CP_X0 = -600; var anim_CP_X1 = 150; var anim_CP_Y0 = -700; var anim_CP_Y1 = 88; var anim_CP_DX = 0; var anim_CP_DY = 0; // -- Animation State Variables -- var CPIsClosed = true; // Set false when FULLY open, true again when FULLY closed var anim_CPOpened_X = 0; // Actual "opened" coords, set at END of Open animation var anim_CPOpened_Y = 0; // var anim_CPOpen = null; // Animation objects (with .Start(), .Stop(), .Reset() methods) var anim_CPClose = null; // // -- Straight-Line, Sinusiodal-Speed Animation -- var anim_CP_DT = 1; var anim_CP_K = 0; function anim_CPOpenX(T) { return(anim_CP_X0 + anim_CP_DX*Math.sin(anim_CP_K*T)); } function anim_CPOpenY(T) { return(anim_CP_Y0 + anim_CP_DY*Math.sin(anim_CP_K*T)); } function anim_CPOpenFinished(T, X, Y) { var Finished = (T >= anim_CP_DT); if (Finished) { CPIsClosed = false; anim_CPOpened_X = X; anim_CPOpened_Y = Y; } return(Finished); } function anim_CPCloseX(T) { return(anim_CPOpened_X - anim_CP_DX*Math.sin(anim_CP_K*T)); } function anim_CPCloseY(T) { return(anim_CPOpened_Y - anim_CP_DY*Math.sin(anim_CP_K*T)); } function anim_CPCloseFinished(T, X, Y) { var Finished = (T >= anim_CP_DT); if (Finished) CPIsClosed = true; return(Finished); } var anim_CP_Initialised = false; function setupContactPanelAnims() { anim_CP_DX = anim_CP_X1 - anim_CP_X0; anim_CP_DY = anim_CP_Y1 - anim_CP_Y0; anim_CP_K = Math.PI/(2*anim_CP_DT); anim_CPOpen = new Animation('anim_CPOpen', anim_CPOpenX, anim_CPOpenY, defaultR, defaultTheta, anim_CPOpenFinished, 0.02, 0, 0, -10000, -10000, 1); anim_CPClose = new Animation('anim_CPClose', anim_CPCloseX, anim_CPCloseY, defaultR, defaultTheta, anim_CPCloseFinished, 0.02, 0, 0, -10000, -10000, 1); anim_CPOpen.AddTrailElement('contactPanel', 0, 0); anim_CPClose.AddTrailElement('contactPanel', 0, 0); anim_CP_Initialised = true; } var CPClick = false; function anim_CP_PanelClick() { CPClick = true; } function anim_CP_AutoClose() // To be called from each page's event handler // NB Clicks occurring in the panel should be swallowed by the panel's // onClick event handler. { if (anim_CP_Initialised) { if ((!CPClick) && (!CPIsClosed) && (!anim_CPClose.running)) { anim_CPClose.Reset(); anim_CPClose.Start(); } CPClick = false; } } function anim_CP_Toggle() // Called from buttons' onClick handlers { if (anim_CP_Initialised) { if (CPIsClosed) { if (!anim_CPOpen.running) { anim_CPOpen.Reset(); anim_CPOpen.Start(); } } else { if (!anim_CPClose.running) { anim_CPClose.Reset(); anim_CPClose.Start(); } } } }