var http_request = false;

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function chatbox()  {
	window.open ("/chatbox.php", "","menubar=0,resizable=1,scrollbars=1,width=230,height=600"); 
}

function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
} 

function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		// set type accordingly to anticipated content type
		//http_request.overrideMimeType('text/xml');
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function showVideo(strURL, strH, strW) {
document.write('<embed src="/scripts/videoplayer/videoplayer.swf" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"flashvars="file='+strURL+'&amp;autostart=false&amp;lightcolor=0xffcc00" wmode="transparent" height="'+strH+'" width="'+strW+'"></embed>');
}