Revert "Datepicker: Modified _updateDatepicker to not update display if updated instance is not current instance." This revert fixes a more serious problem: Fixes #8522 - Calendar doesn't render when moving between datepicker controls.

This reverts commit b4ef2f7.

Author: scottgonzalez

ui/jquery.ui.datepicker.js

@@ -708,9 +708,6 @@ $.extend(Datepicker.prototype, {
 
 	/* Generate the date picker content. */
 	_updateDatepicker: function(inst) {
-		if ($.datepicker._curInst && inst != $.datepicker._curInst) {
-			return;
-		}
 		this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
 		var borders = $.datepicker._getBorders(inst.dpDiv);
 		instActive = inst; // for delegate hover events