// JScript File

function validateGuest(){
    var name="";    
    var message="";    
    var email="";
    
    name = document.getElementById('txtName').value;  
    message = document.getElementById('txtMessage').value;   
    email =  document.getElementById('txtEmail').value; 
    captcha=document.getElementById('txtCap').value;         //ContactNo= document.getElementById('txtContactNo').value;    //addr = document.getElementById('address').value;       
     
    if(name == "")
    {   
        alert('Please enter Name');       
        document.getElementById('txtName').focus();
        return false;
    } 
    else if(email == "")
    {
        alert('Please enter Email');
        //document.getElementById('txtEmail').value=" ";
        document.getElementById('txtEmail').focus();
        return false;
    }
    else if(echeck(email) == false)
    {
          alert("Invalid E-mail ID");
          return false;
    }
    else if(message == "")
    {
        alert('Please enter Message');
        //document.getElementById('txtMessage').value=" ";
        document.getElementById('txtMessage').focus();
        return false;
    }   else if(captcha == "")   {        alert('Please enter Verification Code');
        //document.getElementById('txtMessage').value=" ";
        document.getElementById('txtCap').focus();
        return false;   }
    else    
    return true;}

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.frmSample.txtEmail
	
	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
 }