if (oPulsanteDa = document.getElementById("PulsanteDa")) {
	oPulsanteDa.onmouseover = function () {
		this.style.background='red';
	};
	oPulsanteDa.onmouseout = function () {
		this.style.background='';
	};
	Calendar.setup({
		inputField	:	"DataDa",
		ifFormat	:	"%d-%m-%Y",
		button		:	"PulsanteDa",
		align		:	"Tl",
		singleClick	:	true
	});
}

if (oPulsanteA = document.getElementById("PulsanteA")) {
	oPulsanteA.onmouseover = function () {
		this.style.background='red';
	};
	oPulsanteA.onmouseout = function () {
		this.style.background='';
	};
	Calendar.setup({
		inputField	:	"DataA",
		ifFormat	:	"%d-%m-%Y",
		button		:	"PulsanteA",
		align		:	"Tl",
		singleClick	:	true
	});
}