function subscriptiontick(obj, ad_id){

	var checkinput = 'newsoption['+ad_id+'][checked]';

	if (obj.src.search('_on') != -1) {
		document.getElementById(obj.id).src = document.getElementById(obj.id).src.replace('_on', '');
		document.subscriptionform.elements.namedItem(checkinput).value = "false";
	}
	else {
		document.getElementById(obj.id).src = document.getElementById(obj.id).src.replace('.gif', '_on.gif');
		document.subscriptionform.elements.namedItem(checkinput).value = "true";
	}

	return false;	
}


function validateEnteredText(e, aFieldID){
		
	//alert(e.keyCode);
	
	var pString = document.getElementById(aFieldID).value;
	var pStringLength = pString.length;
	//alert(e.keyCode);

	
	if((e.keyCode > 64 && e.keyCode < 91) || (e.keyCode > 96 && e.keyCode < 123) || e.keyCode == 13 || e.keyCode == 9 || e.keyCode == 8 || e.keyCode == 32 || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 43 || e.keyCode == 38 || e.keyCode == 40 || e.keyCode == 16 || e.keyCode == 17 || e.keyCode == 27){} else
		document.getElementById(aFieldID).value = pString.substr(0, pStringLength-1);
	
}