//<script language="JavaScript" type="text/JavaScript">

var submitted = false;
function CheckRequiredFields(frm){
 if (isBlank(frm.fname.value)) {
     alert ("Name required");
     frm.fname.focus();
     return false;
 }
 if (isBlank(frm.email.value)) {
     alert ("Contact mail required");
     frm.email.focus();
     return false;
 }
/* if (isBlank(frm.company.value)) {
     alert ("Company required");
     frm.company.focus();
     return false;
 }*/
 if (!EmailCheck(frm.email.value))  {
     alert('Please enter valid email address'); 
     frm.email.focus(); 
     return false;
 }
/* if (isBlank(frm.country.value)) {
     alert ("Country required");
     frm.country.focus();
     return false;
 }*/

return true;
}

function EmailCheck(val) {
   if(!val.length) return false;
   else {                                        	
        myRe=/^[-_a-zA-Z0-9.]+@([-_0-9a-zA-Z]+.){1,3}[a-zA-Z]{2,3}$/;
        if(!myRe.exec(val)) return false;
   }
   return true;
}


function submitCheck(frm){
	if (submitted) {
	  alert("You have already submitted this form. Please wait....");
	  return false;
	}
	else {
          if (CheckRequiredFields(frm)){
	  submitted = true;
	  return true;
          } else {
          return false;
          } 
	}
}
function submitCheck(frm){
	if (submitted) {
	  alert("You have already submitted this form. Please wait....");
	  return false;
	}
	else {
          if (CheckRequiredFields(frm)){
	  submitted = true;
	  return true;
          } else {
          return false;
          } 
	}
}


function isBlank(strg) {
	for(var i = 0; i < strg.length; i++) {
	  var character = strg.charAt(i);
	  if ((character != ' ') && (character != 'n') && (character != 't')) return false;
	}
	return true;
}

function isNum(argvalue) {
	argvalue = argvalue.toString();

	if (argvalue.length == 0) { return false; }

	for (var n = 0; n < argvalue.length; n++) {
	  sChar = argvalue.substring(n, n+1);
	  if (sChar < "0" || sChar > "9") { return false; }
	}
	return true;
}

function viewAnswer(ansId,butId)
{
  if (document.getElementById(ansId).style.display=='block')
  {
	document.getElementById(butId).src="/images/plus.jpg";
	document.getElementById(ansId).style.display='none';
	document.getElementById(ansId).style.visibility='hidden';
  }
  else
  {     
        document.getElementById(butId).src="/images/minus.jpg";
	document.getElementById(ansId).style.display='block';
	document.getElementById(ansId).style.visibility='visible';
  }
}


function ChangeFirst(startImage, MediaPlayer1)
{
	document.getElementById(startImage).style.display='none';
	document.getElementById(startImage).style.visibility='hidden';
	document.getElementById(MediaPlayer1).style.visibility='visible';
	document.getElementById(MediaPlayer1).style.display='block';
}



//</script>