var aVar = 1
var bVar = 1
var cVar = 1
var poly
var string1 = "Test"
var string2
var string3
var string4
var string5
var string6
var endString ="\\end{array}$"
var string0 = string1+endString

function writeNewEqn(){
   with(Math){
     aVar = round(10*random()+1)
     bVar = round(10*random()+1)
     cVar = round(10*random()+1)
   }
   poly="f(x)=\\sqrt{"+bVar+"+"+cVar+"x}\\; \\mbox{ at }\\; x ="+aVar
}
function writeEqn(){
     string1 = "$\\begin{array}{rcl}\\lim_{h\\rightarrow 0}\\,\\frac{f("+aVar+"+h)\\,-\\,f("+aVar+")}{h}\\,&=&"
     string2 = "\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{\\sqrt{"+bVar+"+"+cVar+"("+aVar+"+h)}\\,-\\sqrt{"+bVar+"+"+cVar+"\\cdot"+aVar+"}}{h}}{Step 1.}\\\\" 
     aTmp=aVar*cVar+bVar
     string3 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{\\sqrt{"+aTmp+"+"+cVar+"h}\\,-\\sqrt{"+aTmp+"}}{h}\\cdot\\frac{\\sqrt{"+aTmp+"+"+cVar+"h}+\\sqrt{"+aTmp+"}}{\\sqrt{"+aTmp+"+"+cVar+"h}+\\sqrt{"+aTmp+"}}}{Step 2.}\\\\"
     aTmp=aVar*cVar+bVar
     string4 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{["+aTmp+"+"+cVar+"h]\\,-"+aTmp+"}{h\\cdot[\\sqrt{"+aTmp+"+"+cVar+"h}+\\sqrt{"+aTmp+"}]}}{Step 3.}\\\\"
     string5 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{"+cVar+"}{\\sqrt{"+aTmp+"+"+cVar+"h}+\\sqrt{"+aTmp+"}}}{Step 4.}\\\\"
     string6 = "&=&\\altLink{\\frac{"+cVar+"}{2\\sqrt{"+aTmp+"}}}{Step 5.}\\\\"
     string0 = string1+string2+string3+string4+string5+string6+endString     
}