function Validate() // Form validation
		{
			var emailRegexStr = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
			var emailStr = document.getElementById('email').value;
			var telephponeRegexStr = /^([0-9]{5,20})$/;
			var telephoneStr = document.getElementById('telephone').value;
			
			if (document.getElementById('name').value == "")
			{
				alert('Please fill in your name!');
				return false;
			}
			if (document.getElementById('companyname').value == "")
			{
				alert('Please fill in your Company Name!');
				return false;
			}
			if (document.getElementById('address').value == "")
			{
				alert('Please fill your Address');
				return false;
			}			
			if (document.getElementById('country').value == "")
			{
				alert('Please fill country');
				return false;
			}
			if (document.getElementById('postcode').value == "")
			{
				alert('Please fill postcode');
				return false;
			}
			if (document.getElementById('telephone').value == "")
			{
				alert('Please fill your telephone number');
				return false;
			}
			if(!telephoneStr.match(telephponeRegexStr))
			{
				alert('Invalid telephone number!');
				return false;
			}
			if (document.getElementById('email').value == "")
			{
				alert('Please fill your email address');
				return false;
			}
			if(!emailStr.match(emailRegexStr))
			{
			   alert('Invalid email address');
			   return false;
			}				
			
			return true;
		}