//画面中央
function gene_window(mypage, myname, w, h, scroll) {
  var win_width = (screen.width - w) / 2;
  var win_height = (screen.height - h) / 2;
  win_detail = 'height='+h+',width='+w+',top='+win_height+',left='+win_width+',scrollbars='+scroll+',resizable'
  win = window.open(mypage, myname, win_detail)
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}



function kei1(){document.form1.sum1.value=0.56*document.form1.num1.value;}
function kei2(){document.form1.sum2.value=0.58*document.form1.num2.value;}
function kei3(){document.form1.sum3.value=2.3*document.form1.num3.value;}
function kei4(){document.form1.sum4.value=2.6*document.form1.num4.value;}
function kei5(){document.form1.sum5.value=2.5*document.form1.num5.value;}
function kei6(){document.form1.sum6.value=2.5*document.form1.num6.value;}


function keisan(){
	    var kekka=parseFloat(document.form1.sum1.value)
		+parseFloat(document.form1.sum2.value)
		+parseFloat(document.form1.sum3.value)
		+parseFloat(document.form1.sum4.value)
		+parseFloat(document.form1.sum5.value)
		+parseFloat(document.form1.sum6.value);
		
		document.form1.hontai.value=kekka.toFixed(2);
		}