var maxSize = 15

var minSize = 1



var aa = 0

var bb = 0

var cc = 0

var dd = 0

var ff = 2.2

var gg = 0

var hh = 0

var ii = 1.65

var jj = 0

var kk = 0

var ll = 0

var mm = 0

var nn = 0

var oo = 0.45

var pp = 0

var qq = 0

var rr = 0.21

var ss = 0

var tt = 0

var uu = 0

var vv = 0

var ww1 = 0

var xx = 0

var yy = 0

var zz = 200

var fullPrice = 0

var discount = 0

var priceDiscount = 0



function ok1(){



lenghtText = roundUp(document.net.length1.value)

widthText = roundUp(document.net.width1.value)



document.net.length1.value = lenghtText

document.net.width1.value = widthText



aa = lenghtText*1

bb = widthText*1



if (aa>0)

   {

   if (aa>=minSize)

      { 

      if (aa<=maxSize)

		{ 

		if (bb>0)

 		  {

 		  if (bb>=minSize)

  		    { 

    		    if (bb<=maxSize){ go1() } 

 	          else{ alert("Max size " + maxSize + " meter(s)") }

    		  } 

 		  else{ alert("Min size " + minSize + " meter(s)") }

  		 }

		else{ alert("Please enter width") }

      	} 

      else{ alert("Max size " + maxSize + " meter(s)") }

      } 

   else{ alert("Min size " + minSize + " meter(s)") }

   }

else{ alert("Please enter length") }



}





function go1(){



cc = Math.round(aa/2.5+0.4999)+1

dd = Math.round(bb/2.5+0.4999)+1



gg = cc*dd

hh = ff*gg

jj = (aa*dd)+(bb*cc)

kk = ii*jj

mm = (aa+bb)*2+2

nn = ll*mm

pp = (aa+1)*(bb+1)

qq = oo*pp

ss = 2*aa+2*bb+6 

tt = rr*ss

vv = Math.round((ss-4)*2.5)

ww1 = uu*vv

yy = ss-4

zz = xx*yy



fullPrice = hh+kk+nn+qq+tt+ww1+zz+3

discount = 0

priceDiscount = fullPrice - discount



outPut1 = Math.round(priceDiscount)

document.net.outPut.value = outPut1 + ".00"

length2 = aa * 3.281

document.net.length2.value = length2

width2 = bb * 3.281

document.net.width2.value = width2





}



function roundUp(number2) 

{

toStr = ""

totalStr = number2.toString()

z = totalStr.indexOf(".")

y = totalStr.length

before1 = "" 

leftOver = "0."



if(z!=-1)

  {



  if(z==0){ totalStr = "0" + totalStr; }

  z = totalStr.indexOf(".")

  for(j=0; j<z; j++){ before1 += totalStr.charAt(j); } 



  for(i=z+1; i<=y; i++){ leftOver += totalStr.charAt(i) }

  leftOver = leftOver*1



  if(leftOver==0){leftOver = ".00"}

  else{

      if(leftOver<=0.25){leftOver = ".25"}

      else{

          if(leftOver<=0.50){leftOver = ".50"}

          else{

              if(leftOver<=0.75){leftOver = ".75"}

              else{

                  if(leftOver>0.75){leftOver = 1}

                  }

              }

          }



       }



  if(leftOver*1==1){ before1 = before1 + ".9"; before1 = Math.round(before1); leftOver = ".00"}



  toStr = before1 + leftOver

  return (toStr)

  }

else{ return(number2*1 + ".00") }



}