function isEmail(email) {
									var temp = email.indexOf('@');
									if ((temp < 1) || (temp == (email.length-1)) ||
										(email.indexOf('<') != -1) || (email.indexOf('>') != -1) ||
										(email.indexOf('(') != -1) || (email.indexOf(')') != -1) ||
										(email.indexOf(' ') != -1))
									return false;
									return true;
									}
				
								function checkFields() {
									if (document.form.name.value == "") {
										alert("Please enter your name !");
										document.form.name.focus();
										return false;
										} else if (!isEmail(document.form.email.value)) {
										alert("Pleas enter your email address !");
										document.form.email.focus();
										return false;
										} else if (document.form.location.value == "") {
										alert("Please enter your general location!");
										document.form.location.focus();
									return false;
									} else if (document.form.comments.value == "") {
										alert("There is no content in the comments field !");
										document.form.comments.focus();
									return false;
									}
									return true;
									}