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

function writeEqn(){
     string1 = "$\\begin{array}{rcl}\\lim_{x\\rightarrow a}\\,f(x)\\,&=&\\altLink{\\lim_{x\\rightarrow a}\\,f(x)\\,-\\,f(a)\\,+\\,f(a)}{Step 1.}\\\\"
     string2 = "&=&\\altLink{\\lim_{x\\rightarrow a}\\,[f(x)\\,-\\,f(a)]\\cdot\\frac{x-a}{x-a}\\,+\\,f(a)}{Step 2.}\\\\"
     string3 = "&=&\\altLink{\\lim_{x\\rightarrow a}\\,\\left[\\frac{f(x)\\,-\\,f(a)}{x-a}\\right]\\cdot[x-a]\\,+\\,f(a)}{Step 3.}\\\\"
     string4 = "&=&\\altLink{\\lim_{x\\rightarrow a}\\,\\frac{f(x)\\,-\\,f(a)}{x-a}\\cdot\\lim_{x\\rightarrow a}\\,[x-a]\\,+\\,\\lim_{x\\rightarrow a}\\,f(a)}{Step 4.}\\\\"
     string5 = "&=&\\altLink{\\frac{df}{dx}(a)\\cdot 0+\\,f(a)}{Step 5.}\\\\"
     string6 = "&=&\\altLink{f(a)}{Step 6.}\\\\"
     string0 = string1+string2+string3+string4+string5+string6+endString     
}