function cityChangBy(citycode)
	{
		var t = 1;
		document.form1.CityArea.options.length=0;
		document.form1.CityArea.options[0] = new Option('---ÇëÑ¡Ôñ---',''); 
		for ( var i=0;i < arrItems1.length; i++) 
		{ 
			if ( arrItemsGrp1[i] == citycode) 
			{ 
        		document.form1.CityArea.options[t] = new Option(arrItems1[i], arrItems1[i]); 
        		t ++ ;
			} 
		} /**/
	}
	
	
	function cityChangByindex(citycode)
	{
		var t = 1;
		document.form4.CityArea.options.length=0;
		document.form4.CityArea.options[0] = new Option('---ÇëÑ¡Ôñ---',''); 
		for ( var i=0;i < arrItems1.length; i++) 
		{ 
			if ( arrItemsGrp1[i] == citycode) 
			{ 
        		document.form4.CityArea.options[t] = new Option(arrItems1[i], arrItems1[i]); 
        		t ++ ;
			} 
		} /**/
	}