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_qc()
  {
	  	 if(document.quick_contact.fname.value == 'First Name*') {
		  alert('Please enter the First Name!');
		  document.quick_contact.fname.focus();
		return false;
    }
		
	else if(document.quick_contact.phone.value == 'Phone Number*') {
		  alert('Please enter the Phone No.!');
		  document.quick_contact.phone.focus();
		return false;
    }
	
	 else if(document.quick_contact.email.value == 'E-mail Address*') {
		  alert('Please enter the E-mail Id!');
		  document.quick_contact.email.focus();
		return false;
    }
	else if(!document.quick_contact.email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.quick_contact.email.focus();
		return false;
		}

		else if(document.quick_contact.security_code.value == '') {
		  alert('Please enter the Security Code!');
		  document.quick_contact.security_code.focus();
		return false;
    }

	return true;
  }



function validate_contact()
  {
	  	 if(document.cont.name.value == '') {
		  alert('Please enter your name!');
		  document.cont.name.focus();
		return false;
    }
	
	 else if(document.cont.email.value == '') {
		  alert('Please enter the E-mail Id!');
		  document.cont.email.focus();
		return false;
    }
	else if(!document.cont.email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.cont.email.focus();
		return false;
		}
		
	else if(document.cont.procedure.value == '') {
		  alert('Please enter the procedure name');
		  document.cont.procedure.focus();
		return false;
    }
	
	else if(document.cont.security_code.value == '') {
		  alert('Please enter the Security Code!');
		  document.cont.security_code.focus();
		return false;
    }

	return true;
  }


function validate_landing()
  {
	  	 if(document.landing.name.value == 'Name*') {
		  alert('Please enter your name!');
		  document.landing.name.focus();
		return false;
    }
	
	 else if(document.landing.email.value == 'Email*') {
		  alert('Please enter the E-mail Id!');
		  document.landing.email.focus();
		return false;
    }
	else if(!document.landing.email.value.match(emailExp)){
			alert("Invalid email address. Please enter again");
			document.landing.email.focus();
		return false;
		}
	else if(document.landing.phone.value == 'Phone*') {
		  alert('Please enter your phone nunber');
		  document.landing.phone.focus();
		return false;
    }
		
	else if(document.landing.interest.value == 'Interested In*') {
		  alert('Please enter the procedure name');
		  document.landing.interest.focus();
		return false;
    }
	
	else if(document.landing.security_code.value == 'Enter Code*') {
		  alert('Please enter the Security Code!');
		  document.landing.security_code.focus();
		return false;
    }

	return true;
  }