/********************************************************************** BioWare Javascript File File: layer_functions.js Description: Layer Functions - references browser detection variables from HMBio_Loader.js Created: Robin Mayne, April 11, 2002 Copyright 2002 BioWare Corp. Based on "Layer functions" code by Mike Hall http://www.dynamicdrive.com *********************************************************************** Version: 0.0.2 Version History: 0.0.1 / 11.04.02 / Created / RM PC browsers tested: IE 6.0, IE 5.5, IE 4.72, Opera 5.11, Opera 6.0, NS 4.08, NS 4.78, NS 6.21, Mozilla 0.98 MAC browsers tested: IE 5.0, IE 4.5, Opera 5.0, NS 4.78, NS 6.1 0.0.2 / 16.04.02 / Updated / RM Added setWidth() function for IE and NS6 ***********************************************************************/ //----------------------------------------------------------------------------- // Layer utilities. //----------------------------------------------------------------------------- function getLayer(name) { if (HM_NS4) return findLayer(name, document); if (HMBio_NS6) return document.getElementById(name); if (HM_IE) return eval('document.all.' + name); return null; } function findLayer(name, doc) { var i, layer; for (i = 0; i < doc.layers.length; i++) { layer = doc.layers[i]; if (layer.name == name) return layer; if (layer.document.layers.length > 0) { layer = findLayer(name, layer.document); if (layer != null) return layer; } } return null; } //----------------------------------------------------------------------------- // Layer visibility. //----------------------------------------------------------------------------- function hideLayer(layer) { if (HM_NS4) layer.visibility = "hide"; if (HM_IE || HMBio_NS6) layer.style.visibility = "hidden"; } function showLayer(layer) { if (HM_NS4) layer.visibility = "show"; if (HM_IE || HMBio_NS6) layer.style.visibility = "visible"; } //----------------------------------------------------------------------------- // Layer positioning. //----------------------------------------------------------------------------- function moveLayerTo(layer, x, y) { if (HM_NS4) layer.moveTo(x, y); if (HM_IE || HMBio_NS6) { layer.style.left = x; layer.style.top = y; } } function moveToShow(name, x, y) { // NOTE - function uses getLayer() to retreive layer object moveLayerTo(getLayer(name), x, y); showLayer(getLayer(name)); eval(name + "vis = 1"); // sets a visibility flag to 1 } function moveToHide(name, x, y) { // NOTE - function uses getLayer() to retreive layer object moveLayerTo(getLayer(name), x, y); hideLayer(getLayer(name)); eval(name + "vis = 0"); // sets a visibility flag to 0 } function moveLayerBy(layer, dx, dy) { if (HM_NS4) layer.moveBy(dx, dy); if (HMBio_NS6) { var xlocation = parseInt(layer.style.left); var ylocation = parseInt(layer.style.top); xlocation += dx; ylocation += dy; layer.style.left = xlocation; layer.style.top = ylocation; } if (HM_IE) { layer.style.pixelLeft += dx; layer.style.pixelTop += dy; } } function getLeft(layer) { if (HM_NS4) return(layer.left); if (HMBio_NS6) return(parseInt(layer.style.left)); if (HM_IE) return(layer.style.pixelLeft); return(-1); } function getTop(layer) { if (HM_NS4) return(layer.top); if (HMBio_NS6) return(parseInt(layer.style.top)); if (HM_IE) return(layer.style.pixelTop); return(-1); } function setWidth(layer, w) { if (!HM_Opera && (HM_IE || HMBio_NS6)) { layer.style.width = w; } } /****************************************************************************** * End Layer functions * ******************************************************************************/ ////////////////////////// // Element Positioning and Offsets ///////////////////////// // Obtain X coordinate of imageName function findX(imageName) { var objImg objImg = document.images[imageName] if (HM_NS4){ if (document.images[imageName]) { // Test for image in document object return eval(objImg).x } else { // Fix for Netscape 4 div bug - find image in document.layers object instead (will NOT work for nested divs) for (a = 0; a < document.layers.length; a++) { if (document.layers[a].document.images[imageName]) { xtotal = document.layers[a].left + document.layers[a].document.images[imageName].x; return xtotal; } } } } else { return getXPosition(objImg); } } // Called by findX() function getXPosition(imgElem) { xPos = eval(imgElem).offsetLeft; tempEl = eval(imgElem).offsetParent; while (tempEl != null) { xPos += tempEl.offsetLeft; tempEl = tempEl.offsetParent; } return xPos; } // Obtain Y coordinate of imageName function findY(imageName) { var objImg objImg = document.images[imageName] if (HM_NS4){ if (document.images[imageName]) { // Test for image in document object return eval(objImg).y } else { // Fix for Netscape 4 div bug - find image in document.layers object instead (will NOT work for nested divs) for (a = 0; a < document.layers.length; a++) { if (document.layers[a].document.images[imageName]) { ytotal = document.layers[a].top + document.layers[a].document.images[imageName].y; return ytotal; } } } } else { return getYPosition(objImg); } } // Called by findY() function getYPosition(imgElem) { yPos = eval(imgElem).offsetTop; tempEl = eval(imgElem).offsetParent; while (tempEl != null) { yPos += tempEl.offsetTop; tempEl = tempEl.offsetParent; } return yPos; } ////////////////////////// // End Element Positioning and Offsets ///////////////////////// // Functions needed to be updated to new detection and browser support: function getWindowWidth() { if (HM_NS4 || HMBio_NS6 || HM_Opera) return(window.innerWidth); if (HM_IE) return(document.body.clientWidth); return(-1); }