// JavaScript Document
function check1() {
    var year = document.form1.iYear;
	var iis = document.form1.iis.value;
	var intYear=0;
	
	
    if (year.value.length == 0){
       alert("您沒有輸入出生年份！");
       return false;
    }
    
    intYear= parseInt(year.value);
          
    if (intYear<1901 || intYear>2050){
       alert("出生西元年份輸入錯誤！");
       return false;
    }
      
	 if(iis == 1){
	 	document.form1.action='chance2.php' ;
	 }
}

function addFavorite(title, url){
	if (document.all)
	window.external.AddFavorite(url, title);
	else if (window.sidebar)
	window.sidebar.addPanel(title, url, "")
}