function calcexec(){

    a_kariire = parseFloat(document.forms[0].kariire.value) * 10000;
    a_nenri   = parseFloat(document.forms[0].nenri.value);
    a_hensai  = parseFloat(document.forms[0].hensai.value) * 12;
    b_hensai  = parseFloat(document.forms[0].hensai.value)

    if ( document.forms[0].bonasu.value.match(/[^0-9]/) || !(document.forms[0].bonasu.value) ){
      a_bonasu   = 0;
    }else{
      a_bonasu  = parseFloat(document.forms[0].bonasu.value) * 10000;
    }

//
    a_r = a_nenri / 100 / 12;
    a_mhensai = parseInt( (a_kariire - a_bonasu) * a_r * Math.pow((1 + a_r),a_hensai) / (Math.pow((1 + a_r),a_hensai) - 1) );
    document.forms[0].mhensai.value = a_mhensai;

//
    a_r = a_nenri / 100 / 2;
    a_bhensai = parseInt(a_bonasu * a_r * Math.pow((1 + a_r),a_hensai / 6) / (Math.pow((1 + a_r),a_hensai / 6) - 1) );
    document.forms[0].bhensai.value = a_bhensai;

//
    document.forms[0].yhensai.value = (a_mhensai * 12 + a_bhensai * 2 ) * b_hensai

    if (document.forms[0].mhensai.value == "NaN") {document.forms[0].mhensai.value = 0;}
    if (document.forms[0].bhensai.value == "NaN") {document.forms[0].bhensai.value = 0;}
    if (document.forms[0].yhensai.value == "NaN") {document.forms[0].yhensai.value = 0;}

//２行目の簡易ローン計算
/*    a_kariire1 = parseFloat(document.forms[0].kariire.value) * 10000;
    a_nenri1   = parseFloat(document.forms[0].nenri.value);
    a_hensai1  = parseFloat(document.forms[0].hensai.value) * 12;
    b_hensai1  = parseFloat(document.forms[0].hensai.value)

    if ( document.forms[0].bonasu1.vaue.match(/[^0-9]/) || !(document.forms[0].bonasu.value) ){
      a_bonasu1  = 0;
    }else{
      a_bonasu1  = parseFloat(document.forms[0].bonasu1.value) * 10000;
    }

//
    a_r = a_nenri1 / 100 / 12;
    a_mhensai1 = parseInt( (a_kariire1 - a_bonasu1) * a_r* Math.pow((1 + a_r),a_hensai1) / (Math.pow((1 + a_r),a_hensai1) - 1) );
    document.forms[0].mhensai1.value = a_mhensai1;

//
    a_r = a_nenri1/ 100 / 2;
    a_bhensai1 = parseInt(a_bonasu1 * a_r * Math.pow((1 + a_r),a_hensai1 / 6) / (Math.pow((1 + a_r),a_hensai1 / 6) - 1) );
    document.forms[0].bhensai1.value = a_bhensai1;

//
    document.forms[0].yhensai1.value = (a_mhensai1 * 12 + a_bhensai1 * 2 ) * b_hensai1

    if (document.forms[0].mhensai1.value == "NaN") {document.forms[0].mhensai1.value = 0;}
    if (document.forms[0].bhensai1.value == "NaN") {document.forms[0].bhensai1.value = 0;}
    if (document.forms[0].yhensai1.value == "NaN") {document.forms[0].yhensai1.value = 0;}

//3行目の簡易ローン計算
    a_kariire2 = parseFloat(document.forms[0].kariire2.value) * 10000;
    a_nenri2   = parseFloat(document.forms[0].nenri2.value);
    a_hensai2  = parseFloat(document.forms[0].hensai2.value) * 12;
    b_hensai2  = parseFloat(document.forms[0].hensai2.value)

    if ( document.forms[0].bonasu2.value.match(/[^0-9]/) || !(document.forms[0].bonasu2.value) ){
      a_bonasu2  = 0;
    }else{
      a_bonasu2  = parseFloat(document.forms[0].bonasu2.value) * 10000;
    }

//
    a_r = a_nenri2 / 100 / 12;
    a_mhensai2 = parseInt( (a_kariire2 - a_bonasu2) * a_r* Math.pow((1 + a_r),a_hensai2) / (Math.pow((1 + a_r),a_hensai2) - 1) );
    document.forms[0].mhensai2.value = a_mhensai2;

//
    a_r = a_nenri2/ 100 / 2;
    a_bhensai2 = parseInt(a_bonasu2 * a_r * Math.pow((1 + a_r),a_hensai2 / 6) / (Math.pow((1 + a_r),a_hensai2 / 6) - 1) );
    document.forms[0].bhensai2.value = a_bhensai2;

//
    document.forms[0].yhensai2.value = (a_mhensai2 * 12 + a_bhensai2 * 2 ) * b_hensai2

    if (document.forms[0].mhensai2.value == "NaN") {document.forms[0].mhensai2.value = 0;}
    if (document.forms[0].bhensai2.value == "NaN") {document.forms[0].bhensai2.value = 0;}
    if (document.forms[0].yhensai2.value == "NaN") {document.forms[0].yhensai2.value = 0;}*/


}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}