function checksubmit()
{
//alert('check submit');
if(document.form1.orgname.value=='')
	{
	alert('Please enter your Organisation name');
	document.form1.orgname.focus();
	return false;
	}
if(document.form1.contactname.value=='')
	{
	alert('Please enter your Name');
	document.form1.contactname.focus();
	return false;
	}

mailstring=document.form1.email.value;
if(mailstring=='')
	{
	alert('Please enter your Email Address')
	document.form1.email.focus();
	return false;
	}
badchars = "*|,\":<>[]{}`\';()&$~#% ";
atsign=0;
dotsign=0;
for(n=0;n<mailstring.length;n++)
	{
	if(badchars.indexOf(mailstring.charAt(n)) != -1)
		{
		alert('Please enter a valid Email Address');
		document.form1.email.focus();
		return false;
		}
	if(mailstring.charAt(n)=='@')
		{
		atsign++;
		if(n==(mailstring.length - 1))
			{
			alert(' @ cannot be the final character of your Email Address');
			document.form1.email.focus();
			return false;
			}
		}
	if(mailstring.charAt(n)=='.')
		{
		dotsign++;
		if(n==(mailstring.length - 1))
			{
			alert(' . cannot be the final character of your Email Address');
			document.form1.email.focus();
			return false;
			}
		}
	}
if(atsign!=1)
	{
	alert('Please enter a valid Email Address');
	document.form1.email.focus();
	return false;
	}
if(dotsign==0)
	{
	alert('Please enter a valid Email Address');
	document.form1.email.focus();
	return false;
	}
if(document.form1.localarea.value=='')
	{
	alert('Please enter your Area code');
	document.form1.localarea.focus();
	return false;
	}
if(document.form1.tel.value=='')
	{
	alert('Please enter your Telephone number');
	document.form1.tel.focus();
	return false;
	}

if(document.form1.orgaddress.value=='')
	{
	alert('Please enter your Organisation Address');
	document.form1.orgaddress.focus();
	return false;
	}
if(document.form1.freead.value=='')
	{
	alert('Please select your Free advertising');
	document.form1.freead.focus();
	return false;
	}
if(document.form1.freead.value=='yes')
	{
		if(document.form1.linkdetail.value=='')
		{
		alert('Please enter your Link detail');
		document.form1.linkdetail.focus();
		return false;
		}
	}

if(document.form1.number.value=='')
	{
	alert('Please enter your Purchase order number');
	document.form1.number.focus();
	return false;
	}
if(document.form1.read.value=='')
	{
	alert('Please select yes or no');
	document.form1.read.focus();
	return false;
	}

return true;
}