//This function is for calculating the Traverse.
			
			function Calculate(FlangDiam, BarrelDiam, ProdDiam, ProdLen, ProdDist)
			 {
			 
			  var CalcNum=Number(.2618)
 			  var FlangDiam=Number(document.reelcalc.txtFlangDiam.value);//H
			  var BarrelDiam=Number(document.reelcalc.txtBarrelDiam.value);//B
			  var ProdDiam=Number(document.reelcalc.txtProdDiam.value);//d
			  var ProdLen=Number(document.reelcalc.txtProdLen.value);//len
			  var ProdDist=Number(document.reelcalc.txtProdDist.value);//h
			  var hCalcNum

  	  		    hCalcNum=(((((FlangDiam-BarrelDiam)/ 2) - ProdDist)))

				results=(ProdLen/((CalcNum*hCalcNum*(BarrelDiam+hCalcNum))/Math.pow(ProdDiam, 2)))
				document.reelcalc.txtResults.value=results
				
				//Traverse = len/.2618*h(B+h)/d^2
				
			 }
			 
			 //This function is for calculating when the reel size is known.
			 
			function CalculateReel(FlangDiam, BarrelDiam, Traverse, ProdDiam)
			 {
			 
			  var CalcNum=Number(.2618)
 			  var FlangDiam=Number(document.reelcalcknown.txtFlangDiam.value);//H
			  var BarrelDiam=Number(document.reelcalcknown.txtBarrelDiam.value);//B
			  var Traverse=Number(document.reelcalcknown.txtTraverse.value);//W
			  var ProdDiam=Number(document.reelcalcknown.txtProdDiam.value);//d
			  var ProdDist=Number(document.reelcalcknown.txtProdDist.value);//x
			  var hCalcNum
			  
		  		  hCalcNum=(((((FlangDiam-BarrelDiam)/ 2) - ProdDist)))
			  

				results=((CalcNum * Traverse*hCalcNum*(BarrelDiam+hCalcNum)) / Math.pow(ProdDiam, 2))
				document.reelcalcknown.txtResults.value=results
				
				//length = .2618 Wh (B + h)/d^2    (h=H-B/2-x)
				
			 }
			 
			 //this reset is for the Traverse calculation form.
			 
			function Reset()
			{
			   
 			  document.reelcalc.txtFlangDiam.value = ""
			  document.reelcalc.txtBarrelDiam.value = ""
			  document.reelcalc.txtProdDiam.value = ""
			  document.reelcalc.txtProdLen.value = ""
			  document.reelcalc.txtProdDist.value = ""
			  document.reelcalc.txtResults.value= ""
			  
			}
			  
			  //This reset is for the known reel size calculation
			  
			function Reset2()
			{
			
			  document.reelcalcknown.txtFlangDiam.value= ""
			  document.reelcalcknown.txtBarrelDiam.value= ""
			  document.reelcalcknown.txtTraverse.value= ""
			  document.reelcalcknown.txtProdDiam.value= ""
			  document.reelcalcknown.txtProdDist.value= ""
			  document.reelcalcknown.txtResults.value= ""
			
			}