function changeValues()
 {
 	var G7;
	var F15;
	if (document.factFrm.G7.value != "")
		{
			G7=document.factFrm.G7.value
			F15=G7;
		}
	else
		{
			if (document.factFrm.G11.value != "")
				{
					G7= document.factFrm.G11.value;
					F15 =G7/300;
				}
			else
				G7="0";
		}
	document.factFrm.F15.value = Math.round(F15*100)/100;
	document.factFrm.F16.value = Math.round(F15*5*4.33*100)/100;
	document.factFrm.F17.value = Math.round((F15*5*4.33)/2000*100)/100;
	document.factFrm.F18.value = Math.round(((F15*5*4.33)/2000)*0.65*100)/100;
	document.factFrm.F19.value = Math.round((((F15*5*4.33)/2000)*0.65)*2000/250*100)/100;
	document.factFrm.F21.value = Math.round(F15*5*0.2*4.33*100)/100;
	document.factFrm.F22.value = Math.round((F15*5*0.2*4.33)/2000*100)/100;
	document.factFrm.F23.value = Math.round(((F15*5*0.2*4.33)/2000)*0.65*100)/100;
	document.factFrm.F24.value = Math.round((((F15*5*0.2*4.33)/2000)*0.65)*2000/40*100)/100;
	document.factFrm.F26.value = Math.round(F15*0.035*5*4.33*100)/100;
	document.factFrm.F27.value = Math.round(F15*0.035*5*4.33*0.5*100)/100;
	document.factFrm.F28.value = Math.round((F15*0.035*5*4.33*0.5)/2000*100)/100;
	document.factFrm.F29.value = Math.round(((F15*0.035*5*4.33*0.5)/2000)*0.65*100)/100;
	document.factFrm.F30.value = Math.round((((F15*0.035*5*4.33*0.5)/2000)*0.65)*2000/25*100)/100;
 }
 
 function showfield()
 {
 	document.factFrm.G11.style.display="none";
 	document.factFrm.G7.style.display="block";
	document.getElementById('lbl2').style.display="none";
	document.getElementById('lbl1').style.display="block";
	document.factFrm.G7.value="";
	document.factFrm.G11.value="";
    document.factFrm.F15.value = "";
	document.factFrm.F16.value = "";
	document.factFrm.F17.value = "";
	document.factFrm.F18.value = "";
	document.factFrm.F19.value = "";
	document.factFrm.F21.value = "";
	document.factFrm.F22.value = "";
	document.factFrm.F23.value = "";
	document.factFrm.F24.value = "";
	document.factFrm.F26.value = "";
	document.factFrm.F27.value = "";
	document.factFrm.F28.value = "";
	document.factFrm.F29.value = "";
	document.factFrm.F30.value = "";
}

 function showfield2()
 {
 	document.factFrm.G11.style.display="block";
	document.factFrm.G7.style.display="none";
	document.getElementById("lbl1").style.display="none";
	document.getElementById("lbl2").style.display="block";
	
	document.factFrm.G7.value="";
	document.factFrm.G11.value="";
    document.factFrm.F15.value = "";
	document.factFrm.F16.value = "";
	document.factFrm.F17.value = "";
	document.factFrm.F18.value = "";
	document.factFrm.F19.value = "";
	document.factFrm.F21.value = "";
	document.factFrm.F22.value = "";
	document.factFrm.F23.value = "";
	document.factFrm.F24.value = "";
	document.factFrm.F26.value = "";
	document.factFrm.F27.value = "";
	document.factFrm.F28.value = "";
	document.factFrm.F29.value = "";
	document.factFrm.F30.value = "";
}