function goforit()
{
var available_width;
var available_height;

if(is.ns4)
	{
    doc = "document";
    sty = "";
    htm = ".document";
	available_width=innerWidth;
	available_height=innerHeight;
	}
else if(is.ie4)
	{
    doc = "document.all";
    sty = ".style";
    htm = "";
	available_width=document.body.clientWidth;
	available_height=document.body.clientHeight;
	}

introObj = eval(doc + '["introLyr"]' + sty);
introObj.left = mainx;
introObj.top = mainy;
introObj.width = (available_width - mainx) * iewide;
introObj.visibility = "visible";

officeObj = eval(doc + '["officeLyr"]' + sty);
officeObj.left = mainx;
officeObj.top = mainy;
officeObj.width = (available_width - mainx) * iewide;

objectObj = eval(doc + '["objectLyr"]' + sty);
objectObj.left = mainx;
objectObj.top = mainy;
objectObj.width = (available_width - mainx) * iewide;

textsObj = eval(doc + '["textsLyr"]' + sty);
textsObj.left = mainx;
textsObj.top = mainy;
textsObj.width = (available_width - mainx) * iewide;

atextObj = eval(doc + '["atextLyr"]' + sty);
atextObj.left = mainx;
atextObj.top = mainy;
atextObj.width = (available_width - mainx) * iewide;

examObj = eval(doc + '["examLyr"]' + sty);
examObj.left = mainx;
examObj.top = mainy;
examObj.width = (available_width - mainx) * iewide;

librObj = eval(doc + '["librLyr"]' + sty);
librObj.left = mainx;
librObj.top = mainy;
librObj.width = (available_width - mainx) * iewide;

writObj = eval(doc + '["writLyr"]' + sty);
writObj.left = mainx;
writObj.top = mainy;
writObj.width = (available_width - mainx) * iewide;

factsObj = eval(doc + '["factsLyr"]' + sty);
factsObj.left = mainx;
factsObj.top = mainy;
factsObj.width = (available_width - mainx) * iewide;

biblObj = eval(doc + '["biblLyr"]' + sty);
biblObj.left = mainx;
biblObj.top = mainy;
biblObj.width = (available_width - mainx) * iewide;

assignObj = eval(doc + '["assignLyr"]' + sty);
assignObj.left = mainx;
assignObj.top = mainy;
assignObj.width = (available_width - mainx) * iewide;

quizObj = eval(doc + '["quizLyr"]' + sty);
quizObj.left = mainx;
quizObj.top = mainy;
quizObj.width = (available_width - mainx) * iewide;

assessObj = eval(doc + '["assessLyr"]' + sty);
assessObj.left = mainx;
assessObj.top = mainy;
assessObj.width = (available_width - mainx) * iewide;

libassObj = eval(doc + '["libassLyr"]' + sty);
libassObj.left = mainx;
libassObj.top = mainy;
libassObj.width = (available_width - mainx) * iewide;

lmenuObj = eval(doc + '["lmenuLyr"]' + sty);
lmenuObj.visibility = "visible";
}

var menu_selection = "intro";
function menuToggle(selection)
{
var old_page = eval(menu_selection + "Obj");
old_page.visibility = "hidden";
var new_page = eval(selection + "Obj");
new_page.visibility = "visible";
menu_selection = selection;
}