function SendPost(Method, Webpage, QueryString, Synchronous)
{
	var xmlHttpReq = false;
	var self = this;

	if (window.XMLHttpRequest) self.xmlHttpReq = new XMLHttpRequest();
	else if (window.ActiveXObject) self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");

	self.xmlHttpReq.open(Method, Webpage, Synchronous);
	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
	self.xmlHttpReq.setRequestHeader("Content-length", QueryString.length);
	self.xmlHttpReq.send(QueryString);
}