function placeFocus() {
	if (document.forms.length > 0) {
		var field = document.forms[0];
		for (i = 0; i < field.length; i++) {
			if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
				document.forms[0].elements[i].focus();
				break;
			}
		}
	}
}

function insertCommas(field) {
	var re3dig = /(-?\d+)(\d{3})/;
	var reComma = /,/g;
	var num = field.value.replace(reComma,"").replace(" ","");
		
	// insert commas every 3 digits, 100535709 => 100,535,709
	while (re3dig.test(num)) { // while the test condition holds continue
		num = num.replace(re3dig,"$1,$2"); 
	}
	field.value = num;
}

function popUpWindow(URLStr, winName, left, top, width, height) {
	open(URLStr, winName, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function openPhotoWindow(URLStr) {
	open(URLStr, '', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=550,left=0, top=0,screenX=0,screenY=0');
}