td_1 = "Home"
url_1 = "index.html"
td_2 = "PRB Technology"
td_3 = "PRB Applications"
td_4 = "ZVI-Clay for DNAPL"
td_5 = "Company Info"
td_6 = "What's New"
url_6 = "WhatsNew.html"
td_7 = "Resources"

td_2_1 = "Process"
url_2_1 = "Process.htm"
td_2_2 = "Degrades"
url_2_2 = "Degrades.html"
td_2_3 = "Patents"
url_2_3 = "Patents.htm"

td_3_1 = "Configurations"
td_3_2 = "Construction"
td_3_3 = "Field Sites"
url_3_1 = "PRBConfig.html"
url_3_2 = "Construction.html"
url_3_3 = "FieldApp.html"

td_4_1 = "Concept"
td_4_2 = "Implementation"
url_4_1 = "ZVI Clay.html"
url_4_2 = "ZVI Clay_Impl.html"

td_5_1 = "Experience"
td_5_2 = "Services"
td_5_3 = "Employees"
td_5_4 = "Contact us"
url_5_1 = "Company.html"
url_5_2 = "Services.html"
url_5_3 = "Employees.html"
url_5_4 = "Contact_us.html"

td_7_1 = "Links"
td_7_2 = "International"
url_7_1 = "Links.html"
url_7_2 = "Inter.htm"