var string1 = "Test"
var string2
var string3
var string4
var string5
var string6
var string7
var endString ="\\end{array}$"
var string0 = string1+endString

function writeEqn(){
     string1 = "$\\begin{array}{rcl}\\frac{d}{dx}\\,\\cot(x)&=&\\altLink{\\,\\frac{d}{dx}\\,\\frac{1}{\\tan(x)}}{Step 1.}\\\\"
     string2 = "&=&\\altLink{\\,\\frac{\\tan(x)\\,\\frac{d\\,1}{dx}\\,-\\,1\\cdot\\frac{d\\,\\tan(x)}{dx}}{\\tan^2(x)}}{Step 2.}\\\\"
     string3 = "&=&\\altLink{\\,\\frac{\\tan(x)\\cdot0\\,-\\,\\sec^2(x)}{\\tan^2(x)}}{Step 3.}\\\\"
     string4 = "&=&\\altLink{\\,\\frac{-\\,\\frac{1}{cos^2(x)}}{\\frac{\\sin^2(x)}{\\cos^2(x)}}}{Step 4.}\\\\"
     string5 = "&=&\\altLink{\\,-\\,\\frac{1}{\\sin^2(x)}}{Step 5.}\\\\"
     string6 = "&=&\\altLink{\\,-\\,\\csc^2(x)}{Step 6.}\\\\"
     string0 = string1+string2+string3+string4+string5+string6+endString     
}