function check(c)
{ 
   var tax = document.getElementById(c);

      
    if(isNaN(tax.value))
	{var s=c+" must be Digit";
            alert(s);
     } 
else
{

}
}
var req=['name','city','email','country','state','postcode','address']//the requested fields
//var require=['name','city','email','country','state','postcode','address','age','dob','sex','gender','plb','naionality','status','resident','select','university','fieldofstudy','location','major','graduationdate','cgpa','jobpos','expereience','skill','yearofexp','proficiency','language','written','spoken']
function valid(f){
var i=0, t
while(t=f[req[i++]]){
	if(t.value==''){

		alert('Please complete all the required fields!')
		t.focus();return false
	}
}

  var tax = document.getElementById('Postcode');

      
    if(isNaN(tax.value))
	{var s="Postcode must be Digit";
            alert(s);
			f[req[5]].focus();return false
     } 
var checkEmail = document.getElementById('Email');
if ((checkEmail.value.indexOf('@') < 0)&&(checkEmail.value.indexOf('.') <= 0))
{alert(" You have entered an invalid email address..");
			f[req[2]].focus();return false
} 
 
var files = document.getElementById('files');

if(files.value=='')
{
var require=['name','city','email','country','state','postcode','address','age','dob','sex','gender','plb','naionality','status','resident','select','university','fieldofstudy','location','major','graduationdate','cgpa','jobpos','expereience','skill','yearofexp','proficiency','language','written','spoken']
 var x=0, temp
while(temp=f[require[x++]]){
	if(temp.value==''){
		alert('Please complete all fields!')
	
		temp.focus();return false
	}
	}
}
else if(files.value.lastIndexOf(".pdf")=='-1')
{ 
   alert("Please upload only .pdf extention file");
   return false;

}
}

function checkemail(c)
{ var checkEmail = document.getElementById(c);
if ((checkEmail.value.indexOf('@') < 0)&&(checkEmail.value.indexOf('.') <= 0))
{alert(" You have entered an invalid email address..");
} 
else
{

}
}