var alphaExp = /^[a-zA-Z]+$/; /* To accept alphabet only */
	var numericExpression = /^[0-9]+$/; /* To accept numbers only */
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/; /* To validate e-mail address */

  function validate() {
	  	
	  if(document.form1.Name.value == '') {
		  alert('Please enter Your Name!');
			document.form1.Name.focus();
			return false;
    }
		else if(document.form1.Email.value.length == ''){
			alert("Please enter your email address!");
			document.form1.Email.focus();
			return false;
		}
		else if(!document.form1.Email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.form1.Email.focus();
			return false;
		}
		else  if(document.form1.Phone.value == '') {
		  alert('Please enter Your Phone Number!');
			document.form1.Phone.focus();
			return false;
    	}
		else if(document.form1.How_did_you_hear_about_us.value == '--Select--'){
			alert("Please enter How did you hear about us!");
			document.form1.How_did_you_hear_about_us.focus();
			return false;
		}/*
			else if(document.form1.symptoms.value == 'Symptoms'){
			alert("Please enter Symptoms!");
			document.form1.symptoms.focus();
			return false;
		}
					else if(document.form1.questions.value == 'Questions'){
			alert("Please enter Questions!");
			document.form1.questions.focus();
			return false;
		}*/

		alert('Thank you for contacting us. One of our Patient Co-ordinator will call you back shortly');
		return true;
		
  }