function City_Ch_main(){
	if (document.main.city.value == 'Others') {
	    var tbody = document.getElementById('Entercity');
	    tbody.style.display = '';
	}else{
	    var tbody = document.getElementById('Entercity');
	    tbody.style.display = 'none';
	}
}
function City_Ch(){
	if (document.modify.city.value == 'Others') {
	    var tbody = document.getElementById('Entercity');
	    tbody.style.display = '';
	}else{
	    var tbody = document.getElementById('Entercity');
	    tbody.style.display = 'none';
	}
}

function Pay_Ch(str){


	    var tbody = document.getElementById('PayData1');
	    tbody.style.display = 'none';
	    var tbody = document.getElementById('PayData2');
	    tbody.style.display = 'none';
	    var tbody = document.getElementById('PayData3');
	    tbody.style.display = 'none';
	    var tbody = document.getElementById('PayData4');
	    tbody.style.display = 'none';

	var mode = document.getElementsByName("mode");
     for(var i=0;i<mode.length;i++) {    //radioボタンの場合、同じ名前のHTML要素が１つ以上存在する  
         if (mode[i].checked) {

			if(mode[i].value == 'paypal90'){
				if (str == '1') {
				    var tbody = document.getElementById('PayData4');
				    tbody.style.display = '';
				}else if (str == '2'){
				    var tbody = document.getElementById('PayData2');
				    tbody.style.display = '';
				}
			}else if (mode[i].value == 'paypal30'){
				if (str == '1') {
				    var tbody = document.getElementById('PayData3');
				    tbody.style.display = '';
				}else if (str == '2'){
				    var tbody = document.getElementById('PayData1');
				    tbody.style.display = '';
				}
			}

         }  
     }  


}