function ref() {
				window.location.reload();
			}
			function validate_form() {
				var valid = 1;
				var x;
				if (document.details.name.value == "" && valid == 1) {
					validity = false;
					alert('Name field is empty!');
					document.details.name.focus();
					valid = 0;
				}
				if (document.details.phone.value == "" && valid == 1) {
					validity = false;
					alert('Phone field is empty!');
					document.details.phone.focus();
					valid = 0;
				}
				if ((!checknumber(document.details.phone.value)) && valid == 1) {
					validity = false;
					alert('Numerical value is required in Phone field !');
					document.details.phone.focus();
					valid = 0;
				}
				if (document.details.email.value == "" && valid == 1) {
					validity = false;
					alert('Email field is empty!');
					document.details.email.focus();
					valid = 0;
				}
				if (check_email(document.details.email.value) == false && valid == 1) {
					validity = false;
					alert('Email is invalid!');
					document.details.email.focus();
					valid = 0;
				}
				if (document.details.comments.value == "" && valid == 1) {
					validity = false;
					alert('Case Comments field is empty!');
					document.details.comments.focus();
					valid = 0;
				}
				if (valid == 1) {
					details.submit();
					return true;
				} else {
					return false;
				}
			}
			function check_empty(text) {
				return (text.length > 0);
			}
			function check_email(address) {
				if ((address == "") || (address.indexOf ('@') == -1) || (address.indexOf ('.') == -1)) return false;
				return true;
			}
			function checknumber(value) {
				for(j=0; j<value.length; j++) {
					c = value.charAt(j);
					if((c != '0') && (c != '1') && (c != '2') && (c != '3') && (c != '4') && (c != '5') && (c != '6') && (c != '7') && (c != '8') && (c != '9') && (c != '-') && (c != '(') && (c != ')') && (c != ' ')) return false;
				}
				return true;
			}