function height_window(){ 
	//if (document.body.scrollHeight)
	//	return document.body.scrollHeight; 
	if(window.innerHeight) 
		return window.innerHeight; 
	else if(document.body.clientheight) 
		return document.body.clientheight; 
	else if (document.documentElement.clientHeight)
		return document.documentElement.clientHeight;
	else if (document.body.offsetHeight)
		return document.body.offsetHeight; 
	return (0); 
} 

function width_window(){
	if (window.innerWidth) 
		return window.innerWidth; 
	else if (document.body.clientwidth) 
		return document.body.clientwidth; 
	else if (document.documentElement.clientWidth)
		return document.documentElement.clientWidth; 
	else if (document.body.offsetWidth)
		return document.body.offsetWidth; 
	return (0); 
} 
function getScrollY() {
  var scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape
    scrOfY = window.pageYOffset;}
  else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM
    scrOfY = document.body.scrollTop;}
  else if( document.documentElement &&
      ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6
    scrOfY = document.documentElement.scrollTop;}
  return scrOfY;
}
function getScrollX() {
  var scrOfX = 0;
  if( typeof( window.pageXOffset ) == 'number' ) {
    //Netscape
    scrOfX = window.pageXOffset;}
  else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM
    scrOfX = document.body.scrollLeft;}
  else if( document.documentElement &&
      ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6
    scrOfX = document.documentElement.scrollLeft;}
  return scrOfX;
}


function getServerName()
{
	var str = window.location.protocol + '//' + window.location.hostname;
	return str;
}

function GetXmlHttpObject(handler)
{ 
	var objXMLHttp=null
	
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{

		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}