function checkRequired(frmData) { 
var bFail; 
bFail = false; // Default to pass 

for(iElement = 0; iElement < frmData.elements.length; iElement++) { 

if(frmData.elements[iElement].className == 'RequiredTextBox' || 
frmData.elements[iElement].className == 'FailedTextBox') { 

if(frmData.elements[iElement].value == '') { 
bFail = true; 
frmData.elements[iElement].className = 'FailedTextBox'; 

} else { 

frmData.elements[iElement].className = 'RequiredTextBox'; 

} 

} 

} 

return !bFail; 

} 


function checkForm() { 
if(!checkRequired(document.forms['application'])) { 

if(document.all) { 
document.all.spanError.innerText = 'Please fill in all boxes marked in Red.'; 
} else { 
document.getElementById('spanError').innerHTML = 'Please fill in all boxes marked in Red.'; 
} 
} else { 

//if (document.register.address1.value==""){ document.register.address1.value="N/A" };


document.forms['application'].submit(); 

}
}