// JavaScript Document

function hideAll(){
	document.getElementById('g7company').style.display = "none";
	document.getElementById('contactus').style.display = "none";
	document.getElementById('disclaimer').style.display = "none";
	document.getElementById('intro').style.display = "none";
	document.getElementById('found_mess').style.display = "none";
}

function showHideDiv(show, hide){
	hideAll();
	document.getElementById(show).style.display = "block";
	document.getElementById(hide).style.display = "none";
	
}

function showHideDiv1(show, hide){
	document.getElementById(show).style.display = "block";
	document.getElementById(hide).style.display = "none";
	
}

function showHideDiv2(show, hide){
	hideAll();
	clearAll();
	document.getElementById(show).style.display = "block";
	document.getElementById(hide).style.display = "none";
	
	document.getElementById('contactinfo').style.display = "block";
	document.getElementById('messstatus').style.display = "none";
	
}

function clearAll(){
	document.getElementById('ename').value = "";
	document.getElementById('email').value = "";
	document.getElementById('subject').value = "";
	document.getElementById('message').value = "";
	document.g7.chk.checked = false;
}

function checkFields(){
	var ename =	 document.getElementById('ename').value;
	var message = document.getElementById('message').value;
	if (ename = ""){
		alert ('Please enter your name.');	
		document.g7.ename.focus();
		return false
		}
	if (message = ""){
		alert ('Please enter your message.');	
		document.g7.message.focus();
		return false
		}
	}

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){
		   alert("Invalid E-mail ID")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateForm(){
	var emailID=document.g7.email;
	
	var ename =	 document.getElementById('ename').value;
	var message = document.getElementById('message').value;
	if ((ename==null)||(ename=="")){
		alert ('Please Enter your Name.');	
		document.g7.ename.focus();
		return false
		}
	if ((message==null)||(message=="")){
		alert ('Please Enter your Message.');	
		document.g7.message.focus();
		return false
		}
	
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }