function showMessage(str)
{
	var frm=document.formcontact;
   if(frm.username.value=='')
     {
	 alert("Please enter your name");
	 frm.username.focus();
	 return false;
	 }
	 if(frm.mobile.value=='')
     {
	 alert("Please enter your mobile no.");
	 frm.mobile.focus();
	 return false;
	 }
	 
	 if(frm.email.value=='')
     {
	 alert("Please enter email");
	 frm.email.focus();
	 return false;
	 }
	
	 if (!echeck(frm.email.value))
  	{ 
  
	alert("Please enter valid email id.");
	frm.email.focus();
   return false;
  	} 
		
	
	var cname=frm.username.value;
	var cemail=frm.email.value;
	var mobile=frm.mobile.value;
	
	
if (str=="")
  {
  document.getElementById("contactForm").innerHTML="";
  return;
  }
if (window.XMLHttpRequest)
  {
  xmlhttp=new XMLHttpRequest();
  }
else
  {
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("contactForm").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","Message.php?cname="+cname+"&cemail="+cemail+"&mobile="+mobile,true);
xmlhttp.send();
}


function echeck(str)
	 {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		//trace(lat)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1) 
		{
		   return false
		}

		if (str.indexOf(at)==0 || str.indexOf(at)==lstr)
		{
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		{
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1)
		 {
		    return false
		 }
			
		 if (str.indexOf(" ")!=-1)
		 {
		    return false
		 }
		if(lstr==ldot+1)
	    return false
 		 return true
	}