var enteredHeight = 0;
	function setCookie (name, value, expires, path, domain, secure) {
		document.cookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	}

	function getUA() {
		var user_agent = navigator.userAgent.toLowerCase();
		var ua;
		var isIE = (user_agent.indexOf("msie") != -1 && user_agent.indexOf("opera") == -1);
		var isMozilla = (user_agent.indexOf("mozilla") != -1);
		var isOpera = (user_agent.indexOf("opera") != -1);
		var isNetscape = (user_agent.indexOf("netscape") != -1);
		var isChrome = (user_agent.indexOf("chrome") != -1);
		var isFirefox = (user_agent.indexOf("firefox") != -1);
		var isSafari = (user_agent.indexOf("safari") != -1);
		var isKonqueror = (user_agent.indexOf("konqueror") != -1);

		if (isMozilla) ua = 'mozilla';
		if (isIE) ua = 'msie';
		if (isOpera) ua = 'opera';
		if (isNetscape) ua = 'netscape';
		if (isChrome) ua = 'chrome';
		if ((isFirefox) && (!isOpera)) ua = 'firefox';
		if ((isSafari) && (!isChrome)) ua = 'safari';
		if (isKonqueror) ua = 'konqueror';

		return ua;
	}

	function getHeight() {
		var divHeight = new Array(3);

		if (document.getElementById('left_col')) divHeight[0] = document.getElementById('left_col').clientHeight; else divHeight[0] = 0;
		divHeight[1] = document.getElementById('center_col').clientHeight;
		if (document.getElementById('right_col')) divHeight[2] = document.getElementById('right_col').clientHeight; else divHeight[2] = 0;
		//if (document.getElementById('right')) divHeight[2] = document.getElementById('right').clientHeight; else divHeight[2] = 0;
		var max_num = divHeight[0];
		for (i=0; i<3; i++) {
			if (divHeight[i] > max_num) { max_num = divHeight[i]; }
		}
		max_num = max_num - 1;
		document.getElementById('center_col').style.minHeight = max_num + 'px';
		enteredHeight = max_num + 'px';
		if (document.getElementById('center_col').style.minHeight == enteredHeight) {
			if (divHeight[0] < divHeight[2]) document.getElementById('center_col').style.minHeight = divHeight[2] + 'px'; else document.getElementById('center_col').style.minHeight = divHeight[0] + 'px';
		}
		//if (document.getElementById('right_col')) document.getElementById('right').style.height = max_num + 'px';
	}

	function openWindow(url, width, height){
	  if ((width == 0) && (height == 0)) {
		  var NewWindowHeight = window.screen.height * 0.6 + 4;
		  var NewWindowWidth = NewWindowHeight + 51;
		  var y = (window.screen.height - NewWindowHeight) / 2;
		  var x = (window.screen.width - NewWindowWidth) / 2;
	  } else {
		  var NewWindowHeight = height;
		  var NewWindowWidth = width;
		  var y = (window.screen.height) / 2 - 40;
		  var x = (window.screen.width) / 2;
	  }
	  window.open(url, "_blank", "left="+x+",top="+y+",width="+NewWindowWidth+",height="+NewWindowHeight+",status=no,toolbar=no,menubar=no,scrollbars=yes,resizable=no");
	}