function CheckEmail(f){
	var reg =/^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;	
	if(f.name.value=="" || f.name.value=="name"){
		alert("please fill in your name！");f.name.focus();return false; 
	}  
	if(f.email.value=="" || f.email.value=="email"){
		alert("please fill in your email！");f.email.focus();return false; 
	}	
	if( !reg.test(f.email.value)){
		alert("wrong email");f.email.value=""; f.email.focus();return false; 
	}
	return true;
}

function subForm(data){
	if (data.value=="name" || data.value=="email"){
		data.value="";
	}
}

function subFormBlur(data){
	if (data.getAttribute("name")=="name" && data.value==""){
		data.value="name";
	}
	if (data.getAttribute("name")=="email" && data.value==""){
		data.value="email";
	}
}
function centerEmail(){
	var reg =/^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;	
	  
	if(document.getElementById("subName").value==""  || document.getElementById("subName").value=="name"){
		alert("please fill in your name！!");document.getElementById("subName").focus();
	}else if(document.getElementById("subEmail").value=="" || document.getElementById("subEmail").value=="email" ){
		alert("please fill in your email！!");document.getElementById("subEmail").focus();
	}else	if(!reg.test(document.getElementById("subEmail").value)){
		alert("wrong email");document.getElementById("subEmail").value=""; document.getElementById("subEmail").focus();
	}else if (document.getElementById("sRadio1").checked || document.getElementById("sRadio2").checked){
	    alert("please choose subscribe or cancel");	
	}else{
	     document.centerForm.submit();
	}
}
function subRadio(data){
	document.getElementById("sRadio").value=data;
	
}


function googleSubmit(){
	var radio=0; var cx;

	var objInput=document.google.getElementsByTagName("input");
	for (i=0; i<objInput.length;i++){
		if (objInput[i].getAttribute("name")=="radio" && objInput[i].checked ){
			radio=objInput[i].getAttribute("value");			
		}
	}
	
	if (radio==1){
		document.google.cx.value="015649444184365586749:t2a7wgqsctg";
	}else{
		document.google.cx.value="015649444184365586749:etkzlszrfjk";
	}
	
	
	if (radio==0) alert("請選擇搜尋方式");
	else if (!document.google.q.value)alert("請輸入關鍵字");
	else document.google.submit();	
	
}