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}(f\\,\\cdot g)'(x)&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{(f\\,\\cdot g)(x+h)-(f\\,\\cdot g)(x)}{h}}{Step 1.}\\\\"
     string2 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{f(x+h)\\cdot g(x+h)-f(x)\\cdot g(x)}{h}}{Step 2.}\\\\"
     string3 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{f(x+h)\\cdot g(x+h)-f(x+h)\\cdot g(x) + f(x+h)\\cdot g(x)-f(x)\\cdot g(x)}{h}}{Step 3.}\\\\"  
     string4 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,f(x+h)\\cdot \\frac{g(x+h)-g(x)}{h} + \\frac{f(x+h)- f(x)}{h}\\cdot g(x)}{Step 4.}\\\\"
     string5 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,f(x+h)\\cdot \\lim_{h\\rightarrow 0}\\,\\frac{g(x+h) -g(x)}{h}+ \\lim_{h\\rightarrow 0}\\,\\frac{f(x+h)-f(x)}{h}\\cdot \\lim_{h\\rightarrow 0}\\,g(x)}{Step 5.}\\\\"
     string6 = "&=&\\altLink{f(x)\\cdot g'(x) + f\\,'(x) \\cdot g(x)}{Step 6.}"
     string0 = string1+string2+string3+string4+string5+string6+endString
}