Calendar.setup(
		{
		  inputField  : "cursosdesde",         // ID of the input field
		  ifFormat    : "%Y/%m/%d",    	// the date format
		  weekNumbers : false
		}
	);
	Calendar.setup(
		{
		  inputField  : "cursoshasta",         // ID of the input field
		  ifFormat    : "%Y/%m/%d",    	// the date format
		  weekNumbers : false
		}
	);
	Calendar.setup(
		{
		  inputField  : "alojamientodesde",         // ID of the input field
		  ifFormat    : "%Y/%m/%d",    	// the date format
		  weekNumbers : false
		}
	);
	Calendar.setup(
		{
		  inputField  : "alojamientohasta",         // ID of the input field
		  ifFormat    : "%Y/%m/%d",    	// the date format
		  weekNumbers : false
		}
	);