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$.validator.addMethod("dateITA", function(value, element) {
	var check = false,
		re = /^\d{1,2}\/\d{1,2}\/\d{4}$/,
		adata, gg, mm, aaaa, xdata;
	if ( re.test(value)) {
		adata = value.split("/");
		gg = parseInt(adata[0], 10);
		mm = parseInt(adata[1], 10);
		aaaa = parseInt(adata[2], 10);
		xdata = new Date(Date.UTC(aaaa, mm - 1, gg, 12, 0, 0, 0));
		if ( ( xdata.getUTCFullYear() === aaaa ) && ( xdata.getUTCMonth () === mm - 1 ) && ( xdata.getUTCDate() === gg ) ) {
			check = true;
		} else {
			check = false;
		}
	} else {
		check = false;
	}
	return this.optional(element) || check;
}, $.validator.messages.date);