String.prototype.trim= function(){  
	return this.replace(/(^\s*)|(\s*$)|(\s*$)/g, "");
}
function moveSel(objName,val){
	var obj = document.all(objName);
	moveTo2(obj,val);
}
function moveTo2(obj,val){
	try{for (var i=0;i<obj.options.length;i++)
		{
			if (obj.options[i].value == val)
			{
				obj.options[i].selected=true;
			}
		}
		obj.fireEvent("onchange");
	}catch(e){}
}

function setVal(objName,val){var obj = document.all(objName).value=val;
}
function v(objName){
	return document.all(objName).value;
}
function fcs(objName){
	document.all(objName).focus();
}
function dis(objName){
	document.all(objName).disabled=true;
}
function isDate(str){
	retValue=false;
	if (str==null){str="";}
	execScript('if IsDate("' + str + '") then retValue=true end if','VBScript');
	return retValue;
}
//验证是否为数字
function isNumber(oNum){
	if(!oNum) return false;
	var strP =/^\d+(\.\d+)?$/;
	if(!strP.test(oNum)) return false;
	try{if(parseFloat(oNum)!=oNum) return false;}
	catch(ex){return false;}
	return true;
}