function checkshow()
  {
    if(form.radiobutton[0].checked==true){
       form.percent.disabled="";
       form.year.disabled="";
    }else{
       form.percent.disabled="yes";
       form.year.disabled="yes";
    }
    calc();
  }
function calc($alert)
{
	if (form.year.value=='' || form.year.value==0){
		if ($alert) alert('还款年限必须大于0');
		return false;
	}
  if(document.form.radiobutton[0].checked==true) {
         pinggu=0.4;
         qiscot=1.5;
         yinscot=0.05;
         payscot=3;
         insure=0.05;
         fare=85;
         otherscot=85;
         }else
         if(form.radiobutton[1].checked==true) {
         pinggu=0;
         qiscot=1.5;
         yinscot=0.05;
         payscot=3;
         insure=0;
         fare=85;
         otherscot=0;
         }else { alert("您还没有选择付款方式，是按揭，还是现金？");return false;}

var yuelilv=4.125;
/*新利率*/
if (form.year.value==1)
{
yuelilv=4.125;
huankuan=477;

}

else
{if (form.year.value==2)
{yuelilv=4.125;
huankuan=504.32;
lixi=437.68;
}

else
{if (form.year.value==3)
{ yuelilv=4.125;
huankuan=752.12;
lixi=298.67;
}

else
{if (form.year.value==4)
{ yuelilv=4.125;
huankuan=1004;
lixi=229.25;
}

else
{if (form.year.value==5)
{ yuelilv=4.125;
huankuan=1259.6;
lixi=187.66;
}

else
{if (form.year.value==6)
{ yuelilv=4.425;
huankuan=1608.56;
lixi=161.23;
}

else
{if (form.year.value==7)
{yuelilv=4.425;
huankuan=1888.56;
lixi=141.53;
 }

else
{if (form.year.value==8)
{ yuelilv=4.425;
huankuan=2171.84;
lixi=126.79;
}

else
{if (form.year.value==9)
{ yuelilv=4.425;
huankuan=2459.96;
lixi=115.37;
}

else
{if (form.year.value==10)
{ yuelilv=4.425;
huankuan=2751.2;
lixi=106.26;
}

else
{if (form.year.value==11)
{ yuelilv=4.425;
huankuan=3046.88;
lixi=98.84;
}

else
{if (form.year.value==12)
{yuelilv=4.425;
huankuan=3347.36;
lixi=92.69;
 }

else
{if (form.year.value==13)
{yuelilv=4.425;
huankuan=3651.56;
lixi=87.51;
 }

else
{if (form.year.value==14)
{yuelilv=4.425;
huankuan=3959.12;
lixi=83.09;
 }

else
{if (form.year.value==15)
{yuelilv=4.425;
huankuan=4272.2;
lixi=79.29;
 }

else
{if (form.year.value==16)
{yuelilv=4.425;
huankuan=4588.16;
lixi=75.98;}

else
{if (form.year.value==17)
{ yuelilv=4.425;
huankuan=4908.32;
lixi=73.08;
}

else
{if (form.year.value==18)
{yuelilv=4.425;
huankuan=5232.32;
lixi=70.52;
 }

else
{if (form.year.value==19)
{yuelilv=4.425;
huankuan=5561.00;
lixi=68.25;
}

else
{if (form.year.value==20)
{yuelilv=4.425;
huankuan=5892.8;
lixi=66.22;
 }

else
{if (form.year.value==21)
{yuelilv=4.425;
huankuan=6228.8;
lixi=64.4;
 }

else
{if (form.year.value==22)
{yuelilv=4.425;
huankuan=6566;
lixi=62.75;
 }

else
{if (form.year.value==23)
{yuelilv=4.425;
huankuan=6910.52;
lixi=61.27;
}

else
{if (form.year.value==24)
{yuelilv=4.425;
huankuan=7256.96;
lixi=59.92;
 }

else
{if (form.year.value==25)
{ yuelilv=4.425;
huankuan=7607;
lixi=58.69;
}

else
{if (form.year.value==26)
{yuelilv=4.425;
huankuan=7961.84;
lixi=57.57;
 }

else
{if (form.year.value==27)
{yuelilv=4.425;
huankuan=8318.96;
lixi=56.54;
 }

else
{if (form.year.value==28)
{yuelilv=4.425;
huankuan=8681.6;
lixi=55.6;
 }

else
{if (form.year.value==29)
{yuelilv=4.425;
huankuan=9046.04;
lixi=54.73;
 }

else
{if (form.year.value==30)
{yuelilv=4.425;
huankuan=9414.8;
lixi=53.93;
 }
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
/*结束*/
   if(insure!=0) {
   form.scot.value=Math.round(form.price.value*(pinggu+qiscot+yinscot)/100+form.area.value*payscot+payscot*form.farea.value+fare+otherscot+form.price.value*insure*form.year.value*form.percent.value/100);
   form.scot6.value=Math.round(form.price.value*insure*form.year.value*form.percent.value/100);
   form.yjhk.value=Math.round(form.price.value*form.percent.value*(yuelilv/1000*Math.pow((1+parseFloat(yuelilv)/1000),form.year.value*12))/(Math.pow((1+parseFloat(yuelilv)/1000),form.year.value*12)-1));

   }
   else {form.scot6.value=0;
   form.scot.value=Math.round(form.price.value*(qiscot+yinscot)/100+payscot*form.farea.value+form.area.value*payscot+fare+otherscot);
   form.yjhk.value=0;
   }
  if(document.form.radiobutton[0].checked==true){
       form.shhk.value=Math.round(form.price.value*(1-form.percent.value));
       form.gffy.value=Math.round(form.shhk.value)+Math.round(form.yjhk.value*form.year.value*12);
       form.gfqbfy.value=Math.round(form.gffy.value)+Math.round(form.scot.value);
   }else{
       form.shhk.value=0;
       form.gffy.value=form.price.value;
       form.gfqbfy.value=Math.round(form.gffy.value)+Math.round(form.scot.value);
    }
   form.scot1.value=Math.round(pinggu*form.price.value)/100;
   form.scot2.value=Math.round(qiscot*form.price.value/100);
   form.scot3.value=Math.round(yinscot*form.price.value/100);
   form.scot4.value=Math.round(payscot*form.area.value+payscot*form.farea.value);
   form.scot5.value=fare;
   form.scot7.value=otherscot;
   //form.scot.value=Math.round(form.price.value*(pinggu+qiscot+yinscot)/100+form.area.value*payscot+fare+otherscot+form.price.value*insure*form.year.value*form.percent.value/100);
   //Math.round(form.scot1.value+form.scot2.value+form.scot3.value+form.scot4.value+form.scot5.value+form.scot6.value+form.scot7.value);
  }