var shcs = new Array("北京|PEK|B","上海|SHA|S","天津|TSN|T","重庆|CKG|C","沈阳|SHE|S","长春|CGQ|C","拉萨|LXA|L");
var qtcs = new Array("阿勒泰|AAT|A","广州|CAN|G","桂林|KWL|G","贵阳|KWE|G","丽江|LJG|L");
var ywzm = new Array("A","B","C","D","E","F","G","H","J","K","L","M","N","Q","S","T","W","X","Y","Z")
var popup_gd=25; //数据显示高度
想要得到就是表单上面显示的是"广州"但想得到CAN这三个字和数据
<INPUT id=city1 onblur=checkCityName(this);
style="FONT-SIZE: 12px; WIDTH: 100px"
onclick="popUp('city1')" value=广州
name=Startcity01 codevalue="CAN">