// JavaScript Document
function ChkForm1(){
var obj = document.owner;
if(parseFloat(document.getElementById("acreage1").value)>parseFloat(document.getElementById("acreage2").value)){
alert("面积范围输入错误！");
return false;
}
if(parseFloat(document.getElementById("xprice1").value)>parseFloat(document.getElementById("xprice2").value)){
alert("价格范围输入错误！");
return false;
}
}
function ChkForm2(){
var obj = document.office;
if(parseFloat(document.getElementById("price1").value)>parseFloat(document.getElementById("price2").value)){
alert("单价范围输入错误！");
return false;
}
}
function ChkForm(){
	var obj = document.forms.tool;
	if(obj.price1.value==""){
		alert("请输入单价！");
		obj.price1.focus();
		return false;
	}
	if(obj.price2.value==""){
		alert("请输入管理费！");
		obj.price2.focus();
		return false;
	}
	if(obj.acreage.value==""){
		alert("请输入面积！");
		obj.acreage.focus();
		return false;
	}
	if(isNaN(obj.price1.value)){
		alert("单价请输入数字！");
		obj.price1.focus();
		return false;
	}
	if(isNaN(obj.price2.value)){
		alert("管理费请输入数字！");
		obj.price2.focus();
		return false;
	}
	if(isNaN(obj.acreage.value)){
		alert("面积请输入数字！");
		obj.acreage.focus();
		return false;
	}
}
function kh(n)
{   
var menu=document.getElementById('menn2').getElementsByTagName('li');
var khli=document.getElementById('bodd2').getElementsByTagName('li');
	for(i=0;i<khli.length;i++){
      
	  khli[i].style.display='none';
	  khli[n].style.display='block';	  
    }
for(i=0;i<2;i++){

	  menu[i].className='li_1';
	  menu[n].className='li_2';
	 
    }
}
	function round(a,b){
		return Math.round(a*Math.pow(10,b))*Math.pow(10,-b);
	}

	function calculator(Price, Cur, Times, Are){
		var Temp;
		if (Cur==2){
			Temp = Are*(Price*6.90);
		}
		else Temp = Are*(Price*1);
		if (Times==2){	
				Temp = (Temp*365/12);
			}
		else if (Times==3)
			{
				Temp = (Temp/12);
			} 
		else	Temp = (Temp*1)	;
		return  round(Temp, 2);
	}

	function calculate(){
		result = (calculator(document.tool.price1.value, document.tool.currenc1.value, document.tool.unit_time1.value, document.tool.acreage.value) + calculator(document.tool.price2.value, document.tool.currenc2.value, document.tool.unit_time2.value, document.tool.acreage.value));
	    document.forms.tool.result.value=result;
	}