function ValidCareer() {
 	if (document.career_form.career_job.value=="") {
 	    	alert('Please enter your job position.');
 	    	document.career_form.career_job.focus();
 			return false;	
 	} else if (document.career_form.career_name.value=="") {
 	    	alert('Please enter your name.');
 	    	document.career_form.career_name.focus();
 			return false;
  	} else if (document.career_form.career_tel.value=="") {
 	    	alert('Please enter your contact number.');
 	    	document.career_form.career_tel.focus();
 			return false;
 	} else if (document.career_form.career_email.value=="") {
 	    	alert('Please enter your email address.');
 	    	document.career_form.career_email.focus();
 			return false;
 	} else if (!IsEmailValid(document.career_form.career_email)) {
  	    	alert('Please invalid email address.');
 	    	document.career_form.career_email.focus();
 	    	return false; 	
 	} else if (document.career_form.career_resume.value=="") {
 	    	alert('Please upload your resume.');
 	    	document.career_form.career_resume.focus();
 			return false;		
	} else {
 		document.career_form.submit();
 		return true;
 	}   
}