function checkContact() 
	{
		var f = document.contact;
		
		if( f.firstName.value.length < 1 )
		{
			alert('Please enter your first name.');
			f.firstName.focus();
			f.firstName.select();
			return false;
		}

		if( f.lastName.value.length < 1 )
		{
			alert('Please enter your last name.');
			f.lastName.focus();
			f.lastName.select();
			return false;
		}
		if( f.job.value.length < 1 )
		{
			alert('Please enter your job title.');
			f.job.focus();
			f.job.select();
			return false;
		}
		if( f.email.value.length < 7 )
		{
			alert('Please enter your email.');
			f.email.focus();
			f.email.select();
			return false;
		}
		else
		{
			atpos = f.email.value.indexOf("@",1);
			pepos = f.email.value.indexOf(".",1);

			if(atpos == -1 || pepos == -1) 
			{
				alert('Please enter a valid e-mail address.');
				f.email.focus();
				f.email.select();
				return false;
			}
		}
		
		if( f.source.value.length < 1 )
		{
			alert('Please enter how you heard about BoneStation.');
			f.source.focus();
			return false;
		}
		
		return true;
	}
	
		function checkContact2() 
		{
			var pq = document.pilotquest;

			if( pq.firstName.value.length < 1 )
			{
				alert('Please enter your first name.');
				pq.firstName.focus();
				pq.firstName.select();
				return false;
			}
	
			if( pq.lastName.value.length < 1 )
			{
				alert('Please enter your last name.');
				pq.lastName.focus();
				pq.lastName.select();
				return false;
			}
	
			if( pq.position.value.length == 0 )
			{
				alert('Please select your position.');
				return false;
			}
	
			if( pq.organization.value.length < 3 )
			{
				alert('Please enter your organization.');
				pq.organization.focus();
				pq.organization.select();
				return false;
			}
	
			if( pq.phone.value.length < 7 )
			{
				alert('Please enter your phone number.');
				pq.phone.focus();
				pq.phone.select();
				return false;
			}
	
			if( pq.email.value.length < 5 )
			{
				alert('Please enter your email.');
				pq.email.focus();
				pq.email.select();
				return false;
			}
			else
			{
				atpos = pq.email.value.indexOf("@",1);
				pepos = pq.email.value.indexOf(".",1);
	
				if(atpos == -1 || pepos == -1) 
				{
					alert('Please enter a valid e-mail address.');
					pq.email.focus();
					pq.email.select();
					return false;
				}
			}
			
			if( pq.numboneden.value.length == 0 )
			{
				alert('Please select the number of bone densitometers.');
				return false;
			}
	
			if( pq.dicom.value.length == 0 )
			{
				alert('Please enter your dicom capabilities.');
				return false;
			}
			
			var n = 0;
	
			for( var i = 0; i < pq.volume.length; i++ )
			{
				if ( pq.volume[i].checked == true )
					n = n + 1;
			}
					
			if( n == 0 )
			{
				alert('Please select the scan volume.');
				return false;
			}
						
			var n = 0;
			var e = pq.elements;
			
			for( var i = 0; i < e.length; i++ )
			{
				if( e[i].name == 'dxatype[]' )
				{
					cb = e[i];
					if( cb.checked == true )
						n++;
				}
			}
			
			if( n == 0 )
			{
				alert( "Please specify your type of DXA." );
				return false;
			}
						
			var n = 0;
			var e = pq.elements;
			
			for( var i = 0; i < e.length; i++ )
			{
				if( e[i].name == 'practice[]' )
				{
					cb = e[i];
					if( cb.checked == true )
						n++;
				}
			}
			
			if( n == 0 )
			{
				alert( "Please specify your practice type(s)." );
				return false;
			}
						
			var n = 0;
			var e = pq.elements;
			
			for( var i = 0; i < e.length; i++ )
			{
				if( e[i].name == 'system[]' )
				{
					cb = e[i];
					if( cb.checked == true )
						n++;
				}
			}
			
			if( n == 0 )
			{
				alert( "Please specify your IT characteristics." );
				return false;
			}

			return true;
		}

	function checkRequest() 
	{
		var f = document.request;
		
		if( f.firstName.value.length < 1 )
		{
			alert('Please enter your first name.');
			f.firstName.focus();
			f.firstName.select();
			return false;
		}

		if( f.lastName.value.length < 1 )
		{
			alert('Please enter your last name.');
			f.lastName.focus();
			f.lastName.select();
			return false;
		}
		
		if( f.occ.value.length < 1 )
		{
			alert('Please enter your occupation.');
			f.occ.focus();
			f.occ.select();
			return false;
		}
		
		if( f.email1.value.length < 7 )
		{
			alert('Please enter your email.');
			f.email1.focus();
			f.email1.select();
			return false;
		}
		else
		{
			atpos = f.email1.value.indexOf("@",1);
			pepos = f.email1.value.indexOf(".",1);

			if(atpos == -1 || pepos == -1) 
			{
				alert('Please enter a valid e-mail address.');
				f.email1.focus();
				f.email1.select();
				return false;
			}
		}
		
		if( f.email1.value != f.email2.value )
		{
			alert('Email addresses do not match. Please reenter.');
			f.email1.focus();
			f.email1.select();
			return false;
		}
		
		if( f.pwd1.value.length < 1 )
		{
			alert('Please select a password.');
			f.pwd1.focus();
			f.pwd1.select();
			return false;
		}

		if( f.pwd1.value != f.pwd2.value )
		{
			alert('Passwords do not match. Please try again.');
			f.pwd1.focus();
			f.pwd1.select();
			return false;
		}
		
		return true;
	}

	function checkInfoRequest() 
	{
		var f = document.inforequest;
		
		if( f.firstName.value.length < 1 )
		{
			alert('Please enter your first name.');
			f.firstName.focus();
			f.firstName.select();
			return false;
		}

		if( f.lastName.value.length < 1 )
		{
			alert('Please enter your last name.');
			f.lastName.focus();
			f.lastName.select();
			return false;
		}
		
		if( f.job.value.length < 1 )
		{
			alert('Please enter your occupation.');
			f.job.focus();
			return false;
		}
		
		
		
		if( f.email1.value.length < 7 )
		{
			alert('Please enter your email.');
			f.email1.focus();
			f.email1.select();
			return false;
		}
		else
		{
			atpos = f.email1.value.indexOf("@",1);
			pepos = f.email1.value.indexOf(".",1);

			if(atpos == -1 || pepos == -1) 
			{
				alert('Please enter a valid e-mail address.');
				f.email1.focus();
				f.email1.select();
				return false;
			}
		}
		
		if( f.email1.value != f.email2.value )
		{
			alert('Email addresses do not match. Please try again.');
			f.email1.focus();
			f.email1.select();
			return false;
		}
		
		if( f.source.value.length < 1 )
		{
			alert('Please enter how you heard about BoneStation.');
			f.source.focus();
			return false;
		}
		
		return true;
	}