function checkContactDetailInput (record,maxLength){
	if (record.value.length > maxLength){
		alert('最多输入'+maxLength+'个字符 \r 多于字符将被删除');
		record.value = record.value.substring(0, maxLength);
		record.focus();
	}
}

var checkOk = new Array();
checkOk[0] = "12288";
checkOk[1] = "8364";

function isOkChar(ch){
	for (j = 0;  j < checkOk.length;  j++)
		if (ch == checkOk[j]){
			return true;
		}
	return false;
}
function textLimitCheck(thisArea, minLength,maxLength){
	var len=0;
	var index=0;
	var length=0;
	for (i = 0;  i < thisArea.value.length;  i++){ 				
	    ch = thisArea.value.charCodeAt(i);
		if (ch > 256 && !isOkChar(ch)){
			len+=2;  //中文
		}else{
			len+=1;
		}
		if (len<=maxLength){
			index=i;
			length=len;
		}else{
			break;
		}
	}
	if (len > maxLength){
		alert('最多输入'+maxLength/2+'个字 \r 多于字将被删除');
		thisArea.value = thisArea.value.substring(0, index+1);
		thisArea.focus();
		return false;
	}
	if (len < minLength){
		alert("explain field all of"+minLength+"char.");
		thisArea.focus();
		return false;
	}
	return true;
}


function onKeyDown()
{
if (event.keyCode==116)
{
event.keyCode=0;
event.returnValue=false;
}
}