function selectAge(a) {
	var formage = document.fPaypal.age;
	changeAge(a);
	for(i=0;i<formage.options.length;i++) {
		if(formage.options[i].value == a) { formage.selectedIndex = i; }
	}
}
function changeAge(a) {
	for (i = 0; i < colours.length; i++) {
		colourdata[colours[i]]['mediumimage'] = colourdata[colours[i]]['mediumimage'].replace(/ages[\d]/,"ages"+a);
		colourdata[colours[i]]['largeimage'] = colourdata[colours[i]]['largeimage'].replace(/ages[\d]/,"ages"+a);
		$('thumb-'+colours[i]+'-image').src = $('thumb-'+colours[i]+'-image').src.replace(/ages[\d]/,"ages"+a);
	}
	itemCode = 'ages' + a;
	changeColour(itemColour);
	document.fPaypal.item_name.value = 'Short Sleeve - Ages - ' + a;
}
function formAgeChange(t) {
	changeAge(t.options[t.selectedIndex].value);
}