function chkContractButton()
{
	var cNO = document.all["Contract_NO_Sear"].value;
	var pNO = document.all["Person_Pwd"].value;
	if(cNO.Trim()=="")
	 {
	       alert("ΗλΚδΘλΊΟΝ¬±ΰΊΕ");
		   return false;
	 }
	 if(pNO.Trim()=="")
	 {
	       alert("ΗλΚδΘλΓάΒλ");
		   return false;
	 }
	 window.location.href="get_content.aspx?channelID=300&ClassID=301&cNO="+cNO+"&pNO="+pNO;
}
function String.prototype.Trim() {return this.replace(/(^\s*)|(\s*$)/g,"");}