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() {
	  
	  var emailch=/^(.+)@(.+)\.(.+)$/;
	  		
	  if(document.contact_us.name.value == '') {
		  alert('Please enter Your name!');
			document.contact_us.name.focus();
			return false;
    }
		
		else if(document.contact_us.email.value.length == ''){
			alert("Please enter your email address!");
			document.contact_us.email.focus();
			return false;
		}
		else if (document.contact_us.email.value.search(emailch)==-1){
			alert("Invalid email address. Please enter again");
			document.contact_us.email.focus();
			return false;
		}
		else  if(document.contact_us.phone.value == '') {
		  alert('Please enter Your Phone number!');
			document.contact_us.phone.focus();
			return false;
    	}
		else if(document.contact_us.referal.value == '--Select--'){
			alert("Please enter How did you hear about us !");
			document.contact_us.referal.focus();
			return false;
		}
		alert('Thank you for contacting us. One of our Patient Co-ordinator will call you back shortly');
		return true;
		
  }
  
 function validate_index() {
	  	var emailPat=/^(.+)@(.+)\.(.+)$/;

	  if(document.consult.name.value == 'Name*') {
		  alert('Please enter Your name');
			document.consult.name.focus();
			return false;
    }
		else  if(document.consult.phone.value == 'Phone*') {
		  alert('Please enter Your Phone number');
			document.consult.phone.focus();
			return false;
    	}
		else if(document.consult.email.value == 'E-mail*'){
			alert("Please enter your email address");
			document.consult.email.focus();
			return false;
		}
		else if (document.consult.email.value.search(emailPat)==-1)
		{
			alert("Invalid email address. Please enter again");
			document.consult.email.focus();
			return false;
		}
		
		alert('Thank you for contacting us. One of our Patient Co-ordinator will call you back shortly');
		
  }
  
  function validate_consult() {
	  
	  var emailch=/^(.+)@(.+)\.(.+)$/;
	  		
	  if(document.consult.name.value == 'Name*') {
		  alert('Please enter Your name!');
			document.consult.name.focus();
			return false;
    }
		else  if(document.consult.phone.value == 'Phone*') {
		  alert('Please enter Your Phone number!');
			document.consult.phone.focus();
			return false;
    	}
		else if(document.consult.email.value.length == 'E-mail*'){
			alert("Please enter your email address!");
			document.consult.email.focus();
			return false;
		}
		else if (document.consult.email.value.search(emailch)==-1){
			alert("Invalid email address. Please enter again");
			document.consult.email.focus();
			return false;
		}
		
		alert('Thank you for contacting us. One of our Patient Co-ordinator will call you back shortly');
		
  }