/** * Common JavaScript file to be called into every page within the Election Maps domain, * immediately below the last tag in the section. * * @author : Toni Ruckwood * @version : 1.2 * @create date : 27 July 2007 * @modified date : 23 May 2008 */ /** * Measures the width of the browser window and adjusts the position of the tags background graphic accordingly. * @method : fixBG * @param container : DIV containing the entire page contents. * @author : Toni Ruckwood * @since : 1.0 * @create date : 27 July 2007 * @modified date : */ function fixBG(){ var container = document.getElementById("wrapper"); if (container && container.offsetWidth > 0){ eval('document.getElementsByTagName("body")[0].style.backgroundPosition = "-' + Math.round(750 - ((container.offsetWidth - 762)/2)) + 'px 58px"'); } } /** * Measures the height of the "textcontent" area and adjusts the height accordingly. * @method : fixHeight * @param content : DIV containing the main text content of the page. * @author : Toni Ruckwood * @since : 1.0 * @create date : 30 August 2007 * @modified date : */ function fixHeight(){ if (document.getElementById) { var content = document.getElementById("textcontent"); if (content) { if (content.offsetHeight < 400) { content.style.height = "400px"; } } } } /** * Checks for IE6 and then applies a background filter to allow it to support PNG alpha transparency on background images. * @method : fixPNG. * @author : Toni Ruckwood * @since : 1.0 * @create date : 27 July 2007 * @modified date : 23 May 2008 */ function fixPNG(elem,imgpath){ //Function call is on every page, so function contents commented-out as no longer required. /*if (navigator.userAgent.indexOf("MSIE") != -1 && parseFloat(navigator.appVersion.split("MSIE")[1]) < 7 && document.getElementById){ document.getElementById(elem).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgpath + "',sizingMethod='scale')"; }*/ } /** * Toggle the display of the "overview" and "layers" sections.. * @method : showHide * @param elem : element name to display. * @author : Toni Ruckwood * @since : 1.0 * @create date : 27 July 2007 * @modified date : */ function showHide(elem){ if (elem == "layers"){ document.getElementById("overview").style.display = "none"; document.getElementById("layers").style.display = "block"; } else { document.getElementById("overview").style.display = "block"; document.getElementById("layers").style.display = "none"; // To solve problem of ov map rectangle not being properly refreshed when // the div is hidden forceOvRefresh(); } }