function contactUs()
{
	//Personal Information
missinginfo = "";
	if (document.frmcontact.name.value == "") 
	{
	missinginfo += "\n     -> Name";
	}	
	if (document.frmcontact.company.value == "") 
	{
	missinginfo += "\n     -> Company";
	}
	if (document.frmcontact.address1.value == "") 
	{
	missinginfo += "\n     -> Address1";
	}
	if (document.frmcontact.town.value == "") 
	{
	missinginfo += "\n     -> Town";
	}
	if (document.frmcontact.postCode.value == "") 
	{
	missinginfo += "\n     -> PostCode";
	}
	
	if (document.frmcontact.tel.value == "") 
	{
	missinginfo += "\n     -> Tel";
	}
	if (document.frmcontact.mobile.value == "") 
	{
	missinginfo += "\n     -> Mobile";
	}
	if (document.frmcontact.comments.value == "") 
	{
	missinginfo += "\n     -> Comments";
	}
	if (!emailCheck(document.frmcontact.email.value)) 
	{

	}
	
	
	
	// Email validation function
		function emailCheck (emailStr) 
		{

		var checkTLD=1;
		var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
		var emailPat=/^(.+)@(.+)$/;
		var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+';
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var matchArray=emailStr.match(emailPat);
		
		if (matchArray==null) 
		{
			//alert("Email address seems incorrect (check @ and .'s)");
			missinginfo += "\n     -> Email address seems incorrect (check @ and .'s) ";
			return false;
		}
		var user=matchArray[1];
		var domain=matchArray[2];
		
		for (i=0; i<user.length; i++)
		 {
			if (user.charCodeAt(i)>127) 
			{
				//alert("Ths username contains invalid characters.");
				missinginfo += "\n     -> Ths username contains invalid characters.";
				return false;
	  		 }
		}
		for (i=0; i<domain.length; i++) 
		{
			if (domain.charCodeAt(i)>127) 
			{
				//alert("Ths domain name contains invalid characters.");
				missinginfo += "\n     -> Ths domain name contains invalid characters.";
				return false;
	  		 }
		}
	
	if (user.match(userPat)==null)
	 {
		//alert("The username doesn't seem to be valid.");
		missinginfo += "\n     -> The username doesn't seem to be valid.";
		return false;
	}
	
	var IPArray=domain.match(ipDomainPat);
	
	if (IPArray!=null) 
	{
	for (var i=1;i<=4;i++)
	 {
		if (IPArray[i]>255)
		 {
			//alert("Destination IP address is invalid!");
			missinginfo += "\n     -> Destination IP address is invalid!";
			return false;
	   	}
	}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) 
	{
		if (domArr[i].search(atomPat)==-1)
		{
			//alert("The domain name does not seem to be valid.");
			missinginfo += "\n     -> The domain name does not seem to be valid.";
			return false;
	   }
	}
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) 
	{
		//alert("The address must end in a well-known domain or two letter " + "country.");
		missinginfo += "\n     -> The address must end in a well-known domain or two letter " + "country.";
		return false;
	}
	if (len<2) 
	{
		//alert("This address is missing a hostname!");
		missinginfo += "\n     -> This address is missing a hostname!";
		return false;
	}
		return true;
	}
	
if (missinginfo != "") 
{
missinginfo ="Warning: The following information is missing/incorrect:\n" +
"_____________________________\n" +
missinginfo + "\n_____________________________" +
"\nPlease re-enter and submit again!";
alert(missinginfo);

 if(document.frmcontact.name.value == "")
{
document.frmcontact.name.focus();
}
else if(document.frmcontact.company.value == "")
{
document.frmcontact.company.focus();
}
else if(document.frmcontact.address1.value == "")
{
document.frmcontact.address1.focus();
}
else if(document.frmcontact.town.value == "")
{
document.frmcontact.town.focus();
}

else if(document.frmcontact.postCode.value == "")
{
document.frmcontact.postCode.focus();
}
else if(document.frmcontact.tel.value == "")
{
document.frmcontact.tel.focus();
}
else if(document.frmcontact.mobile.value == "")
{
document.frmcontact.mobile.focus();
}
else if(document.frmcontact.comments.value == "")
{
document.frmcontact.comments.focus();
}

else if (document.frmcontact.email.value == "")
{
		document.frmcontact.email.focus();
} 


return false;
}
else return true;

}