var vBrowserType = "";
if (window.navigator.userAgent.indexOf("Firefox") != -1) vBrowserType = "Firefox";
if (window.navigator.userAgent.indexOf("MSIE") != -1) vBrowserType = "IE";
if (window.navigator.userAgent.indexOf("SV1") != -1) vBrowserType = "IESP2";
if (vBrowserType)
{
	var w = screen.availWidth;
	var h = screen.availHeight;
}

function changeIt(ImgAlpha, ImgBeta) { 
if (document.images) { document[ImgAlpha].src = ImgBeta; } 
} 
if (document.images)
{ 
	img01 = new Image; 
	img01.src = "graphics/home04on.gif"; 
}

function openWindow(url, name, width, height, scrollbar)
{
	self.name = "main"; 
	var leftPos = (w-width)/2, topPos = (h-height)/2;
	popupWin = window.open(url, name, "width=" + width + ",height=" + height + ",scrollbars=" + scrollbar + ",toolbar=no,directories=no,menubar=no");
}

function cal1()
{
   var x1=document.getElementById("Text1").value;
   var x2=document.getElementById("Text2").value;
   var x3=document.getElementById("Text3").value;
   var x4=document.getElementById("Text4").value;
   x3=x3/100;
   if (document.getElementById("Radio1").checked)
   {
     x1=(x3*x4*1714)/x2;
     if (!isNaN(x1))
     {
        x1=x1.toFixed(4);
     }
     document.getElementById("Text1").value=x1;
   }
   
   if (document.getElementById("Radio2").checked)
   {
     x2=(x3*x4*1714)/x1;
     if (!isNaN(x2))
     {
        x2=x2.toFixed(4);
     }
     document.getElementById("Text2").value=x2;
   }

   if (document.getElementById("Radio3").checked)
   {
     x3=x1*x2/(x4*1714);
     if (!isNaN(x3))
     {
        x3=x3.toFixed(4);
     }
     x3=x3*100;
     document.getElementById("Text3").value=x3;
   }

   if (document.getElementById("Radio4").checked)
   {
     x4=x1*x2/(x3*1714);
     if (!isNaN(x4))
     {
        x4=x4.toFixed(4);
     }
     document.getElementById("Text4").value=x4;
   }
}

function cal2()
{
   var x5=document.getElementById("Text5").value;
   var x6=document.getElementById("Text6").value;
   var x7=document.getElementById("Text7").value;
   
   var x8=x7/2;
   x8=3.1415926*x8*x8;
   if (!isNaN(x8))
   {
       x8=x8.toFixed(4);
   }
   document.getElementById("Text8").value=x8;
   
   if (document.getElementById("Radio5").checked)
   {
     x5=(x6*x8)/0.3208;
     if (!isNaN(x5))
     {
        x5=x5.toFixed(4);
     }
     document.getElementById("Text5").value=x5;
   }
   
   if (document.getElementById("Radio6").checked)
   {
     x6=(x5*0.3208)/x8;
     if (!isNaN(x6))
     {
        x6=x6.toFixed(4);
     }
     document.getElementById("Text6").value=x6;
   }

   if (document.getElementById("Radio7").checked)
   {
     x8=(x5*0.3208)/x6;
     x7=x8/3.1415926;
     x7=Math.sqrt(x7);
     x7=x7*2;
     if (!isNaN(x7))
     {
        x7=x7.toFixed(4);
        x8=x8.toFixed(4);
     }
     document.getElementById("Text7").value=x7;
     document.getElementById("Text8").value=x8;
   }

}

function cal3()
{
   var x9=document.getElementById("Text9").value;
   var x13=document.getElementById("Text13").value;
   var x12=x9/2;
   x12=3.1415926*x12*x12;
   if (!isNaN(x12))
   {
       x12=x12.toFixed(4);
   }
   document.getElementById("Text12").value=x12;
 
   var x14=x12-x13;
   if (!isNaN(x14))
   {
       x14=x14.toFixed(4);
   }
   document.getElementById("Text14").value=x14; 
   cal5();
   cal6();
   cal7();
   cal8();  
}

function cal4()
{
   var x10=document.getElementById("Text10").value;
   var x12=document.getElementById("Text12").value;
   var x13=x10/2;
   x13=3.1415926*x13*x13;
   if (!isNaN(x13))
   {
       x13=x13.toFixed(4);
   }
   document.getElementById("Text13").value=x13;
   
   var x14=x12-x13;
   if (!isNaN(x14))
   {
       x14=x14.toFixed(4);
   }
   document.getElementById("Text14").value=x14; 
   cal5(); 
   cal6();
   cal7();
   cal8(); 
}

function cal5()
{
   var x11=document.getElementById("Text11").value;
   var x12=document.getElementById("Text12").value;
   var x13=document.getElementById("Text13").value;
   var x14=document.getElementById("Text14").value;
   
   var x15=x12*x11;
   var x16=x14*x11;
   var x17=x13*x11;  
  
   if (!isNaN(x15))
   {
       x15=x15.toFixed(4);
   }
   document.getElementById("Text15").value=x15;
   
   if (!isNaN(x16))
   {
       x16=x16.toFixed(4);
   }
   document.getElementById("Text16").value=x16; 
   
   if (!isNaN(x17))
   {
       x17=x17.toFixed(4);
   }
   document.getElementById("Text17").value=x17; 
   cal9();
   cal10();
   cal11(); 
}

function cal6()
{
   var x12=document.getElementById("Text12").value;
   var x18=document.getElementById("Text18").value;
   var x21=document.getElementById("Text21").value;
   
   if (document.getElementById("Radio8").checked)
   {
     x18=x21/x12;
     if (!isNaN(x18))
     {
        x18=x18.toFixed(4);
     }
     document.getElementById("Text18").value=x18;
   }
  
   if (document.getElementById("Radio9").checked)
   {
     x21=x18*x12;
     if (!isNaN(x21))
     {
        x21=x21.toFixed(4);
     }
     document.getElementById("Text21").value=x21;
   }
}

function cal7()
{
   var x14=document.getElementById("Text14").value;
   var x19=document.getElementById("Text19").value;
   var x22=document.getElementById("Text22").value;
   
   if (document.getElementById("Radio8").checked)
   {
     x19=x22/x14;
     if (!isNaN(x19))
     {
        x19=x19.toFixed(4);
     }
     document.getElementById("Text19").value=x19;
   }
  
   if (document.getElementById("Radio9").checked)
   {
     x22=x19*x14;
     if (!isNaN(x22))
     {
        x22=x22.toFixed(4);
     }
     document.getElementById("Text22").value=x22;
   }
}

function cal8()
{
   var x13=document.getElementById("Text13").value;
   var x20=document.getElementById("Text20").value;
   var x23=document.getElementById("Text23").value;
   
   if (document.getElementById("Radio8").checked)
   {
     x20=x23/x13;
     if (!isNaN(x20))
     {
        x20=x20.toFixed(4);
     }
     document.getElementById("Text20").value=x20;
   }
  
   if (document.getElementById("Radio9").checked)
   {
     x23=x20*x13;
     if (!isNaN(x23))
     {
        x23=x23.toFixed(4);
     }
     document.getElementById("Text23").value=x23;
   }
}

function cal9()
{
   var x15=document.getElementById("Text15").value;
   var x27=document.getElementById("Text27").value;
   var x30=document.getElementById("Text30").value;
   
   if (document.getElementById("Radio10").checked)
   {
     x27=x15*60/(x30*231);
     if (!isNaN(x27))
     {
        x27=x27.toFixed(4);
     }
     document.getElementById("Text27").value=x27;
   }
  
   if (document.getElementById("Radio11").checked)
   {
     x30=x15*60/(x27*231);
     if (!isNaN(x30))
     {
        x30=x30.toFixed(4);
     }
     document.getElementById("Text30").value=x30;
   }
   
   var x24=document.getElementById("Text11").value;
   x24=x24/x30;
   if (!isNaN(x24))
   {
      x24=x24.toFixed(4);
   }
   document.getElementById("Text24").value=x24;   
}

function cal10()
{
   var x16=document.getElementById("Text16").value;
   var x28=document.getElementById("Text28").value;
   var x31=document.getElementById("Text31").value;
   
   if (document.getElementById("Radio10").checked)
   {
     x28=x16*60/(x31*231);
     if (!isNaN(x28))
     {
        x28=x28.toFixed(4);
     }
     document.getElementById("Text28").value=x28;
   }
  
   if (document.getElementById("Radio11").checked)
   {
     x31=x16*60/(x28*231);
     if (!isNaN(x31))
     {
        x31=x31.toFixed(4);
     }
     document.getElementById("Text31").value=x31;
   }
   
   var x25=document.getElementById("Text11").value;
   x25=x25/x31;
   if (!isNaN(x25))
   {
      x25=x25.toFixed(4);
   }
   document.getElementById("Text25").value=x25; 
}

function cal11()
{
   var x17=document.getElementById("Text17").value;
   var x29=document.getElementById("Text29").value;
   var x32=document.getElementById("Text32").value;
   
   if (document.getElementById("Radio10").checked)
   {
     x29=x17*60/(x32*231);
     if (!isNaN(x29))
     {
        x29=x29.toFixed(4);
     }
     document.getElementById("Text29").value=x29;
   }
  
   if (document.getElementById("Radio11").checked)
   {
     x32=x17*60/(x29*231);
     if (!isNaN(x32))
     {
        x32=x32.toFixed(4);
     }
     document.getElementById("Text32").value=x32;
   }
   
   var x26=document.getElementById("Text11").value;
   x26=x26/x32;
   if (!isNaN(x26))
   {
      x26=x26.toFixed(4);
   }
   document.getElementById("Text26").value=x26; 
}