// JavaScript Document
function checkCam(ReElementName,cam_model,cam_number){ 
	var xmlHttp = GetXmlHttpObject();
	if(xmlHttp == null){
        alert("抱歉!你的browse不支援ajax,請更新browse版本");
        return;
    }

	xmlHttp.open("GET", "../../cruis_work/php/ajax/checkCam.php?cam_model="+cam_model+"&cam_number="+cam_number,false);
	xmlHttp.send(null);
	document.getElementById(ReElementName).value = xmlHttp.responseText;
}


function GetXmlHttpObject(){
    var objXMLHttp = null;
    if(window.XMLHttpRequest){
        objXMLHttp = new XMLHttpRequest();
    }else if(window.ActiveXObject){
        objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return objXMLHttp;
}