/**
*按回车切换下一个文本框
*@param field
*@param event
*returns Boolean
*οnkeypress="return handleEnter(this,event)"
*/
function handleEnter(field,event){
var keyCode = event.keyCode ? event.keyCode : event.which ? event.which :event.charCode;
if(keyCode==13){
var i;
for(i = 0;i<field.form.elements.length;i++)
if(field==field.form.elements[i])
break;
do{
i=(i+1) % field.form.elements.length;
}while(field.form.elements[i].type !='text' || field.form.elements[i].getAttribute('readonly')=='true'
|| field.form.elements[i].getAttribute('disabled')=='true' || field.form.elements[i].getAttribute('readonly')=='readonly'
|| field.form.elements[i].getAttribute('disabled')=='disabled')
field.form.elements[i].focus();
return false;
}else{
return true;
}
}