function brows_check(){
	if (navigator.userAgent.indexOf("Firefox")!=-1){
		return "ff"; //ff for FireFox
	}else if (navigator.userAgent.indexOf("MSIE")!=-1){
		return "ie"; // ie for Internet Explorer
	}
	
}

function hide_msg(id){
	document.getElementById(id).innerHTML="";	
}


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

	return objXMLHttp
} 

function stateChanged2() 
{ 
	if(xmlHttp.readyState==1){
		document.getElementById("cnt").innerHTML="Sending Request...";
	}
	if(xmlHttp.readyState==2){
		document.getElementById("cnt").innerHTML="Processing...";
	}
	if(xmlHttp.readyState==3){
		document.getElementById("cnt").innerHTML="Processing...";
	}
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete" || xmlHttp.readyState==0)
	{ 
		//DataLd();
		var dumy = xmlHttp.responseText;
		document.getElementById("res").style.display = 'inline';
		document.getElementById("cnt").innerHTML=dumy;
		
		var form = document.contact;
		form.name.value = "";
		form.email.value = "";
		form.comments.value = "";
		//setTimeout('hide_msg(dumy[1])',5000)
		
		//alert(dumy);
	}
	
}  
 

function chkValue(){
	var form = document.contact;
	if(form.name.value == ""){
		alert("Please provide your name");
		form.name.focus();
		return false;
	}
	if(form.email.value == ""){
		alert("Please provide your email");
		form.email.focus();
		return false;
	}
	str = form.email.value;
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(str)){
	//return true;
	}else{
	alert("You have entered an in-valid Email Address.")
	form.email.focus();
	return false;
	}
	if(form.comments.value == ""){
		alert("Please provide some Comments or Suggestions");
		form.comments.focus();
		return false;
	}
	
	var name = form.name.value;
	var email = form.email.value;
	var comments2 = form.comments.value;
	var comments = comments2.replace(new RegExp( "\\n", "g" ),"<br>" );

	<!-- ########## star form posting ######### -->
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
		{
			alert ("Browser does not support HTTP Request")
			return
		} 
		var url="scripts/contactus.php?name="+name+"&email="+email+"&comments="+comments;
		//alert(url);
		//return false;
		if(brows_check() == "ie"){
			xmlHttp.onreadystatechange=stateChanged2;
			xmlHttp.open("GET",url,false)
			//xmlHttp.open("POST", url, false)
			xmlHttp.send(null)	
		}else if(brows_check() == "ff"){
			xmlHttp.onreadystatechange=stateChanged2;
			xmlHttp.open("GET",url,true)
			//xmlHttp.open("POST", url, false)
			xmlHttp.send(null)
		}		
		
		//return true;
 }