/*
 *load function at page load
 *function textarea nl
 *function hide/show ordernr
 */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if(typeof window.onload != 'function') {
		window.onload = func;
	}else{
		window.onload = function(){
			if (oldonload){
				oldonload();
			}
			func();
	    }
	}
}
addLoadEvent(hide_show);
	addLoadEvent(function() {
	/* more code to run on page load */ 
});


function question_nl(){
	var question = escape(document.getElementById('question').value);
	document.getElementById('question').value = question;
}

function hide_show(){
	var subject = document.getElementById('subject').value;
	switch(subject){
	case 'Order':
	case 'Order Tracking':
	case 'Shipment':
		document.getElementById('ordernr_label').style.display='';
		document.getElementById('ordernr_field').style.display='';
		break;
	default:
		document.getElementById('ordernr_label').style.display='none';
		document.getElementById('ordernr_field').style.display='none';
	}
}