/*	dynamicCSS.js v1.0 <http://www.bobbyvandersluis.com/articles/dynamicCSS.php>
	Copyright 2005 Bobby van der Sluis
	This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/

function createStyleRule(selector, declaration) {
	if (!document.getElementsByTagName || !(document.createElement || document.createElementNS)) return;
	var agt = navigator.userAgent.toLowerCase();
	var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	var is_iewin = (is_ie && (agt.indexOf("win") != -1));
	var is_iemac = (is_ie && (agt.indexOf("mac") != -1));
	if (is_iemac) return; // script doesn't work properly in IE/Mac
	var head = document.getElementsByTagName("head")[0]; 
	var style = (typeof document.createElementNS != "undefined") ?  document.createElementNS("http://www.w3.org/1999/xhtml", "style") : document.createElement("style");
	if (!is_iewin) {
		var styleRule = document.createTextNode(selector + " {" + declaration + "}");
		style.appendChild(styleRule); // bugs in IE/Win
	}
	style.setAttribute("type", "text/css");
	style.setAttribute("media", "screen"); 
	head.appendChild(style);
	if (is_iewin && document.styleSheets && document.styleSheets.length > 0) {
		var lastStyle = document.styleSheets[document.styleSheets.length - 1];
		if (typeof lastStyle.addRule == "object") { // bugs in IE/Mac and Safari
			lastStyle.addRule(selector, declaration);
		}
	}
}

/*	DOM manipulation functions;
	Can only be used after a page has fully loaded
*/

function setElementStyleById(id, propertyName, propertyValue) {
	if (!document.getElementById) return;
	var el = document.getElementById(id);
	if (el) el.style[propertyName] = propertyValue;
}

function setElementStyle(element, propertyName, propertyValue) {
	if (!document.getElementsByTagName) return;
	var el = document.getElementsByTagName(element);
	for (var i = 0; i < el.length; i++) {
		el[i].style[propertyName] = propertyValue;
	}
}

function setElementStyleByClassName(cl, propertyName, propertyValue) {
	if (!document.getElementsByTagName) return;
	var re = new RegExp("(^| )" + cl + "( |$)");
	var el = document.all ? document.all : document.getElementsByTagName("body")[0].getElementsByTagName("*"); // fix for IE5.x
	for (var i = 0; i < el.length; i++) {
		if (el[i].className && el[i].className.match(re)) {
			el[i].style[propertyName] = propertyValue;
		}
	}
}
function writeFlash(file) {
    document.getElementById("slideshow").innerHTML = "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0' width='630' height='190' id='myflash' align='middle'><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='"+file+"' /><param name='quality' value='high' /><param name='bgcolor' value='#ffffff' /><embed src='"+file+"' quality='high' bgcolor='#ffffff' width='630' height='190' name='mymovie' align='middle' allowScriptAccess='sameDomain' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' /></object>";
}