function isEmail(strEmail) {
	var response = strEmail.search(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/);
    return response != -1;
}
function doLoad()
							{
								frmcontactus.yourname.focus();
							}
				
							function CheckForm()
							{				
								// Check the form to make sure that all fields are complete
								var f = document.frmcontactus;
						
								if(f.yourname.value == '')
								{
									alert(' Please enter your full name. It is required. '); 
									f.yourname.focus();
									return false;
								}
								
								if(f.youremail.value.indexOf('@') == -1 || f.youremail.value.indexOf('.') == -1 || !isEmail(f.youremail.value) )
								{
									alert(' Please enter your valid email address. It is required. ');
									f.youremail.focus();
									return false;
								}

								if(f.question.value == '')
								{
									
									alert(' Please enter your question or comments. It is required. ');
									f.question.focus();
									return false;
								}
								
								// Everything is OK
								return true;									
							}