function checkInvite() {
    if(document.invite.uname.value == "") {
	    alert("Please enter your name");
		document.invite.uname.focus();
		return false;
	}
    if(document.invite.birth.value == "") {
	    alert("Please enter your password");
		document.invite.birth.focus();
		return false;
	}
    if(document.invite.jg.value == "") {
	    alert("Please enter your Residence");
		document.invite.jg.focus();
		return false;
	}	
    if(document.invite.sfz.value == "") { 
	    alert("Please enter your ID No.");
		document.invite.sfz.focus();
		return false;
	}
    if(document.invite.gschool.value == "") {
	    alert("Please enter your Graduation");
		document.invite.gschool.focus();
		return false;
	}
    if(document.invite.project.value == "") {
	    alert("Please enter your Major");
		document.invite.porject.focus();
		return false;
	}
    if(document.invite.gtime.value == "") {
	    alert("Please enter your Date of Graduation");
		document.invite.gtime.focus();
		return false;
	}
    if(document.invite.foreign.value == "") {
	    alert("Please enter your Language Skill");
		document.invite.foreign.focus();
		return false;
	}
    if(document.invite.fslcd.value == "") {
	    alert("Please enter your Level");
		document.invite.fslcd.focus();
		return false;
	}
    if(document.invite.jsjsp.value == "") {
	    alert("Please enter your Computer Skill");
		document.invite.jsjsp.focus();
		return false;
	}
    if(document.invite.jslcd.value == "") {
	    alert("Please enter your level");
		document.invite.jslcd.focus();
		return false;
	}
    if(document.invite.city.value == "") {
	    alert("Please enter your Current Residence City");
		document.invite.city.focus();
		return false;
	}
    if(document.invite.address.value == "") {
	    alert("Please enter your Registered Permanent Residence");
		document.invite.address.focus();
		return false;
	}
    if(document.invite.presentaddress.value == "") {
	    alert("Please enter your Current Address");
		document.invite.presentaddress.focus();
		return false;
	}	
    if(document.invite.postcode.value == "") {
	    alert("Please enter your Postal Code");
		document.invite.postcode.focus();
		return false;
	}							
    if(document.invite.teach.value == "") {
	    alert("Please enter your Education/Training Experience");
		document.invite.teach.focus();
		return false;
	}
    if(document.invite.workexperience.value == "") {
	    alert("Please enter your Working experience");
		document.invite.workexperience.focus();
		return false;
	}	
    if(document.invite.presentsalary.value == "") {
	    alert("Please enter your Current Salary/welfare");
		document.invite.presentsalary.focus();
		return false;
	}
    if(document.invite.desiresalary.value == "") {
	    alert("Please enter your Expected Salary/welfare");
		document.invite.desiresalary.focus();
		return false;
	}		
    if(document.invite.tel.value == "") {
	    alert("Please enter your Tel Number");
		document.invite.tel.focus();
		return false;
	}	
    if(document.invite.email.value == "") {
	    alert("Please enter your E-mail");
		document.invite.email.focus();
		return false;
	}		
    if(document.invite.dgtime.value == "") {
	    alert("Please enter your The earliest available time");
		document.invite.dgtime.focus();
		return false;
	}	
			
	return true;
}