// JavaScript Document

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   message = "Invalid E-mail ID";
		   return message
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   message = "Invalid E-mail ID";
		   return message
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    message = "Invalid E-mail ID";
		    return message
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    message = "Invalid E-mail ID";
		    return message
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   message = "Invalid E-mail ID";
		    return message
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    message = "Invalid E-mail ID";
		    return message
		 }
		
		 if (str.indexOf(" ")!=-1){
		    message = "Invalid E-mail ID";
		    return message
		 }

		return ''	
	}


function ask(){
	
		var qname = document.getElementById('qname');
		var qemail = document.getElementById('qemail');
		var qquestion = document.getElementById('qquestion');
		
		
		if(qname.value != ''){
			qname.style.border = '1px solid #22765F';
		}
		if(qemail.value != ''){
			//alert('b');
			qemail.style.border = '1px solid #22765F';
		} 
		if(qquestion.value != ''){
			//alert('c');
			qquestion.style.border = '1px solid #22765F';
		}
		
		if(qname.value == '' || qemail.value == '' || qquestion.value == '' || echeck(qemail.value) ==  'Invalid E-mail ID'){
		if(qname.value == ''){
			//alert('a');
			qname.style.border = '1px solid #FF0000';
		}
		if(qemail.value == ''){
			//alert('b');
			qemail.style.border = '1px solid #FF0000';
		} 
		if(echeck(qemail.value) ==  'Invalid E-mail ID'){
			qemail.style.border = '1px solid #FF0000';
			alert(echeck(qemail.value));
			//document.getElementById('email').innerHTML = document.getElementById('email').innerHTML+echeck(qemail.value);
		}
		if(qquestion.value == ''){
			//alert('c');
			qquestion.style.border = '1px solid #FF0000';
		} 
		return false;
		}
		submitq()
}


function submitq(){
	var qname = document.getElementById('qname');
	var qemail = document.getElementById('qemail');
	var qquestion = document.getElementById('qquestion');
	var ajaxRequest;  
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 1){
			document.getElementById('qq').innerHTML = 'Sending...';
		}
		if(ajaxRequest.readyState == 4){
			document.getElementById('qq').innerHTML = ajaxRequest.responseText;
		}
	}
	
	var queryString = 'qname='+qname.value+'&qemail='+qemail.value+'&qquestion='+qquestion.value;
	ajaxRequest.open("POST", "sendquestion.php", true);
	ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8"); 
	ajaxRequest.send(queryString); 
}