function isValidForm()
{
	var error = false;
	var msg = "Please revise the following:";

//*************************
	if( isNotEmpty('Name')) {
		if( isNotNormalText('Name')) {
			error = true;
			msg += "\n - Unexpected characters in Name";
		}
	}
	else {
		error = true;
		msg += "\n - Name is required";
	}
	
//*************************
	if( isNotEmpty('Company')) {
		if( isNotNormalText('Company')) {
			error = true;
			msg += "\n - Unexpected characters in Company";
		}
	}
	else {
		error = true;
		msg += "\n - Company is required";
	}
	
//*************************
	if( isNotEmpty('Address')) {
		if( isNotNormalText('Address')) {
			error = true;
			msg += "\n - Unexpected characters in Address";
		}
	}
	else {
		error = true;
		msg += "\n - Address is required";
	}
	
//*************************
	if( isNotEmpty('City')) {
		if( isNotNormalText('City')) {
			error = true;
			msg += "\n - Unexpected characters in City";
		}
	}
	else {
		error = true;
		msg += "\n - City is required";
	}
	
	
//*************************
	if( isNotEmpty('Country')) {
		if( isNotNormalText('Country')) {
			error = true;
			msg += "\n - Unexpected characters in Country";
		}
	}
	else {
		error = true;
		msg += "\n - Country is required";
	}
	
	
//*************************
	if( isNotEmpty('Postcode')) {
		if( isNotNormalText('Postcode')) {
			error = true;
			msg += "\n - Unexpected characters in Postcode";
		}
	}
	else {
		error = true;
		msg += "\n - Postcode is required";
	}
	
//*************************
	if( isNotEmpty('Email')) {
		if(isNotEmailAddr('Email'))	{
			error = true;
			msg += "\n - Email format incorrect";
		}
	}
	else {
		error = true;
		msg += "\n - Email is required";
	}
	
//*************************
	if(isNotEmpty('Telephone'))	{
		if(isNotTelFaxNumber('Telephone')) {
			error = true;
			msg += "\n - Telephone is either to short or includes incorrect characters";
		}
	}
	else {
		error = true;
		msg += "\n - Telephone is required";
	}
	
/***** Error Message *****/
	if( error ) {
		alert( msg );
		return false;
	}
	else {
		return true;
	}

}



/********** FUNCTIONS USED IN VALIDATEFORM **********/

function fieldExist(field) 
{
	if (document.layers) 
	{
		return ( document.layers[''+field+''] ) ? true : false;
	}
	else if (document.all) 
	{
		return ( document.all[''+field+''] ) ? true : false;
	}
	else if (document.getElementById)
	{				
		return ( document.getElementById(''+field+'') ) ? true : false;
	}			
}		

function areFieldsVerified(field1, field2) 
{
	if (document.layers) 
	{
		return ( document.layers[''+field1+''].value == document.layers[''+field2+''].value ) ? true : false;
	}
	else if (document.all) 
	{
		return ( document.all[''+field1+''].value == document.all[''+field2+''].value ) ? true : false;
	}
	else if (document.getElementById)
	{				
		return ( document.getElementById(''+field1+'').value == document.getElementById(''+field2+'').value ) ? true : false;
	}			
}	

function isNotEmpty(field) 
{
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		return ( str.length == 0 ) ? false : true;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		return ( str.length == 0 ) ? false : true;
	}
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;				
		return ( str.length == 0 ) ? false : true;
	}			
}		
		
function isNotNormalText(field)
{			
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		/*var re = /[a-zA-Z0-9_]+/;*/				
		var re = /[\w\d\'\s]+/;				
		return ( !str.match(re) ) ? true : false;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		var re = /[\w\d\'\s]+/;
		return ( !str.match(re) ) ? true : false;				
	}
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;				
		var re = /[\w\d\'\s]+/;
		return ( !str.match(re) ) ? true : false;				
	}
}

function isNotPostCode(field) 
{ 
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		var re = /^[a-zA-Z]{2}[0-9]{1,2}[0-9]{1,2}[a-zA-Z]{1,2}|[a-zA-Z]{2}[0-9]{1,2} [0-9]{1,2}[a-zA-Z]{1,2}$/;	
		return ( !str.match(re) ) ? true : false;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		var re = /^[a-zA-Z]{2}[0-9]{1,2}[0-9]{1,2}[a-zA-Z]{1,2}|[a-zA-Z]{2}[0-9]{1,2} [0-9]{1,2}[a-zA-Z]{1,2}$/;	
		return ( !str.match(re) ) ? true : false;				
	}		
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;
		var re = /^[a-zA-Z]{2}[0-9]{1,2}[0-9]{1,2}[a-zA-Z]{1,2}|[a-zA-Z]{2}[0-9]{1,2} [0-9]{1,2}[a-zA-Z]{1,2}$/;	
		return ( !str.match(re) ) ? true : false;
	}
}
	
function isNotTelFaxNumber(field)
{
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		var re = /[0-9\s]{9,}/; 
		return ( !str.match(re) ) ? true : false;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		var re = /[0-9\s]{9,}/; 
		return ( !str.match(re) ) ? true : false;				
	}			
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;
		var re = /[0-9\s]{9,}/; 
		return ( !str.match(re) ) ? true : false;
	}
}
				
function isNotEmailAddr(field)
{
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		return ( !str.match(re) ) ? true : false;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		return ( !str.match(re) ) ? true : false;				
	}			
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;
		var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		return ( !str.match(re) ) ? true : false;
	}
}

function isNotWebAddr(field)
{
	if (document.layers) 
	{
		var str = document.layers[''+field+''].value;
		var re = /^http:\/\/[A-Za-z0-9-]+\.[A-Za-z0-9]+/;
		return ( !str.match(re) ) ? true : false;
	}
	else if (document.all) 
	{
		var str = document.all[''+field+''].value;
		var re = /^http:\/\/[A-Za-z0-9-]+\.[A-Za-z0-9]+/;
		return ( !str.match(re) ) ? true : false;				
	}			
	else if (document.getElementById)
	{
		var str = document.getElementById(''+field+'').value;
		var re = /^http:\/\/[A-Za-z0-9-]+\.[A-Za-z0-9]+/;
		return ( !str.match(re) ) ? true : false;
	}	
}
		
function isNotCheckboxChecked(field)
{
	if (document.layers) 
	{
		return ( document.layers[''+field+''].checked ) ? true : false;
	}
	else if (document.all) 
	{
		return ( document.all[''+field+''].checked ) ? true : false;
	}			
	else if (document.getElementById)
	{
		return ( document.getElementById(''+field+'').checked ) ? true : false;
	}			
}

function isNotSelected(field)
{
	if (document.layers) 
	{
		return ( document.layers[''+field+''].selectedIndex == 0 ) ? true : false;
	}
	else if (document.all) 
	{
		return ( document.all[''+field+''].selectedIndex == 0 ) ? true : false;
	}			
	else if (document.getElementById)
	{
		return ( document.getElementById(''+field+'').selectedIndex == 0 ) ? true : false;
	}			
}

function checkRadio(radioSet)
{
    var count = -1;
    for (var i=radioSet.length-1; i > -1; i--) {
        if (radioSet[i].checked) {count = i; i = -1;}
    }
    if (count > -1) return radioSet[count].value;
    else return null;
}