<!-- COMMON JAVASCRIPT FUNCTIONS -->
	
	var browser = browser();
	styleSheetHacks();
	
	function browser() {
		var userAgent = navigator.userAgent.toLowerCase();
		
		if (contains(userAgent, "msie") || contains(userAgent, "internet explorer")) browser = "ie";
		else if (!contains(userAgent, "compatible") || contains(userAgent, "firefox")) {
			browser = "mozilla";
			if (contains(userAgent, "firefox")) browser = "firefox";
		} else browser = "unknown";
		
		return browser;
	}
	
	function contains(string, substring) {
		found = string.indexOf(substring) + 1;
		return found;		
	}
	
	function $(element) {
		return(document.getElementById(element));
	}
	
	function styleSheetHacks() {
		if (browser == "ie") document.writeln("<link rel=\"stylesheet\" href=\"css/ieHack.css\" type=\"text/css\">");

	}

	function createChild(parentNode, nodeType, nodeValue) {
		var newNodeValue = document.createTextNode(nodeValue);
		var newNode = document.createElement(nodeType);
		newNode.appendChild(newNodeValue);
		if (parentNode) {
			parentNode.appendChild(newNode);
		}
		return newNode;
	}