function validatequizform()
{
	if (document.frmquiz1.textfield1.value=="")
	{
		alert('Please Enter Your Name');
		document.frmquiz1.textfield1.value="";
		document.frmquiz1.textfield1.focus();
		return false;
	}

	if (document.frmquiz1.textfield2.value=="")
	{
		alert('Please Enter Your Address');
		document.frmquiz1.textfield2.value="";
		document.frmquiz1.textfield2.focus();
		return false;
	}

	if (document.frmquiz1.textfield3.value=="")
	{
		alert('Please Enter Your Email');
		document.frmquiz1.textfield3.value="";
		document.frmquiz1.textfield3.focus();
		return false;
	}
	
	if(IsEmailValid())
	{
		document.frmquiz1.textfield3.focus();
		return false;
	}

	if (document.frmquiz1.textfield4.value=="")
	{
		alert('Please Enter Your Telephone Number');
		document.frmquiz1.textfield4.value="";
		document.frmquiz1.textfield4.focus();
		return false;
	}


	radiochecked = false;
	for (jj=1; jj<=10; jj++)
	{
		var opts = document.getElementsByName("radiobutton"+jj);
		for (var i = 0; i < opts.length; i++) 
			{
				if (opts.item(i).checked) 
					{
					radiochecked = true;
					}
			}
	}
	if (radiochecked == false)
	{
		alert('Please Enter Your Answers');
		return false;
	}
	



	var quizscore = 0;

	if (document.frmquiz1.radiobutton1[0].checked)
	{
		quizscore = quizscore + 1;
	}
	
	if (document.frmquiz1.radiobutton2[1].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton3[0].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton4[3].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton5[2].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton6[1].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton7[0].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton8[1].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton9[2].checked)
	{
		quizscore = quizscore + 1;
	}

	if (document.frmquiz1.radiobutton10[1].checked)
	{
		quizscore = quizscore + 1;
	}
	
	document.frmquiz1.score.value = quizscore;

	alert('Thanks for participating...');

	return true;

	//javascript:frmquiz1.submit();
}

function IsEmailValid()
{
	var EmailOk=true;
	var Temp=document.frmquiz1.textfield3;
	var AtSym=Temp.value.indexOf('@')
	var Period=Temp.value.lastIndexOf('.')
	var Space=Temp.value.indexOf(' ')
	var Length=Temp.value.length-1;
	if ((AtSym < 1) ||(Period <= AtSym+1)|| (Period==Length) ||(Space!=-1))
	{
		EmailOk=false
		alert('Please enter a valid e-mail address!')
		Temp.focus()
		return true
	}
	return false
}