function ckaddoffice()
{
	if (addoffice.off_head.value.length >= "20"  ){alert( "請輸入 標題字數限制為 15個中文字 (包含 標點符號)" );addoffice.off_head.focus();return false;}
if (addoffice.off_conname.value == "" ){alert( "請輸入 聯絡人" );addoffice.off_conname.focus();return false;}	
if (addoffice.off_pwd.value == "" ){alert( "請輸入 使用者密碼" );addoffice.off_pwd.focus();return false;}	
if (addoffice.off_contel.value == "" ){alert( "請輸入 聯絡電話" );addoffice.off_contel.focus();return false;}	
if (addoffice.off_conmail.value == "" ){alert( "請輸入 電子郵件信箱\n此為發送認證信件之方式\n請確實填寫\n您可以收到的電子郵件信箱" );addoffice.off_conmail.focus();return false;}	
if (addoffice.off_conmail.value !="" && addoffice.off_conmail.value.indexOf ("@")== -1 ){alert("[ 電子郵件信箱 ] \n格式有誤!!");addoffice.off_conmail.focus();return false;}

if (addoffice.off_head.value == "" ){alert( "請輸入 標題" );addoffice.off_head.focus();return false;}	
if (addoffice.off_region.value == "" ){alert( "請輸入 區域" );addoffice.off_region.focus();return false;}	
if (addoffice.off_city.value == "" ){alert( "請輸入 鄉鎮" );addoffice.off_city.focus();return false;}	
if (addoffice.off_addrs.value == "" ){alert( "請輸入 地址" );addoffice.off_addrs.focus();return false;}	
if (addoffice.off_ground.value == "" ){alert( "請輸入 產權面積" );addoffice.off_ground.focus();return false;}	
if (addoffice.off_ground.value!=""){
		if (isNaN(addoffice.off_ground.value.valueOf()) )  
		{	alert("使用產權面積請輸入數字!!!!");
 			addoffice.off_ground.focus();return false;   }
 		} 
 
 
 if (addoffice.off_talcost.value == "" ){alert( "請輸入 總售價" );addoffice.off_talcost.focus();return false;}	
if (addoffice.off_talcost.value!=""){
		if (isNaN(addoffice.off_talcost.value.valueOf()) )  
		{	alert("使用總售價請輸入數字!!!!");
 			addoffice.off_talcost.focus();return false;   }
 		}  		

	}