var links = new Array()
 
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links[1] = '<a href="middleschool/virtual/sub4.htm" class="two">virtual</a><br><font style="margin-left:9.4cm"><a href="http://mathebook.net/middleschool/eworkbook/sub4dg.pdf" class="two">eWorkBook</a></font>'
links[2] = '<a href="middleschool/virtual/cube.htm" class="two">virtual</a><br><font style="margin-left:7cm"><a href="http://mathebook.net/middleschool/eworkbook/cube.pdf" class="two">eWorkBook</a></font>'
links[3] = '<a href="middleschool/virtual/cuberoot.htm" class="two">virtual</a><br><font style="margin-left:8cm"><a href="http://mathebook.net/middleschool/eworkbook/cuberoot.pdf" class="two">eWorkBook</a></font>'
links[32] = ""
links[4] = '<a href="middleschool/virtual/divtwo.htm" class="two">virtual</a><br><font style="margin-left:8cm"><a href="http://mathebook.net/middleschool/eworkbook/div2dg.pdf" class="two">eWorkBook</a></font>'
links[5] = '<a href="middleschool/virtual/divm2.htm" class="two">virtual</a><br><font style="margin-left:13.5cm"><a href="http://mathebook.net/middleschool/eworkbook/divm2dg.pdf" class="two">eWorkBook</a></font>'
links[6] = '<a href="middleschool/virtual/multwo.htm" class="two">virtual</a><br><font style="margin-left:9.5cm"><a href="http://mathebook.net/middleschool/eworkbook/mul2dg.pdf" class="two">eWorkBook</a></font>'
links[7] = '<a href="middleschool/virtual/mulm2.htm" class="two">virtual</a><br><font style="margin-left:15cm"><a href="http://mathebook.net/middleschool/eworkbook/mulm2dg.pdf" class="two">eWorkBook</a></font>'
links[8] = '<a href="middleschool/virtual/square.htm" class="two">virtual</a><br><font style="margin-left:7.5cm"><a href="http://mathebook.net/middleschool/eworkbook/square.pdf" class="two">eWorkBook</a></font>'
links[9] = '<a href="middleschool/virtual/sqrt.htm" class="two">virtual</a><br><font style="margin-left:8.9cm"><a href="http://mathebook.net/middleschool/eworkbook/sqrroot.pdf" class="two">eWorkBook</a></font>'
links[10] = '<a href="middleschool/virtual/bicoefficient.htm" class="two">virtual</a><br><font style="margin-left:7.5cm"><a href="middleschool/eworkbook/binomialcoefficient.pdf" class="two">eWorkBook</a></font>'
links[11] = '<a href="middleschool/virtual/binarytodec.htm" class="two">virtual</a><br><font style="margin-left:9.9cm"><a href="middleschool/eworkbook/binarytodecimalconversion.pdf" class="two">eWorkBook</a></font>'
links[12] = '<a href="middleschool/virtual/binarytohexa.htm" class="two">virtual</a><br><font style="margin-left:11cm"><a href="middleschool/eworkbook/binarytohexaconversion.pdf" class="two">eWorkBook</a></font>'
links[13] = '<a href="middleschool/virtual/binarytooctal.htm" class="two">virtual</a><br><font style="margin-left:9.2cm"><a href="middleschool/eworkbook/binarytooctalconversion.pdf" class="two">eWorkBook</a></font>'
links[14] = '<a href="middleschool/virtual/centroid.htm" class="two">virtual</a><br><font style="margin-left:7.9cm"><a href="middleschool/eworkbook/centroidoftriangle.pdf" class="two">eWorkBook</a></font>'
links[15] = '<a href="middleschool/virtual/dectobinary.htm" class="two">virtual</a><br><font style="margin-left:9.8cm"><a href="middleschool/eworkbook/decimaltobinaryconversion.pdf" class="two">eWorkBook</a></font>'
links[16] = '<a href="middleschool/virtual/dectohexa.htm" class="two">virtual</a><br><font style="margin-left:11.6cm"><a href="middleschool/eworkbook/decimaltohexaconversion.pdf" class="two">eWorkBook</a></font>'
links[17] = '<a href="middleschool/virtual/dectooctal.htm" class="two">virtual</a><br><font style="margin-left:9.5cm"><a href="middleschool/eworkbook/decimaltooctalconversion.pdf" class="two">eWorkBook</a></font>'
links[18] = '<a href="middleschool/virtual/factorial.htm" class="two">virtual</a><br><font style="margin-left:4.3cm"><a href="middleschool/eworkbook/factorial.pdf" class="two">eWorkBook</a></font>'
links[19] = '<a href="middleschool/virtual/factsub.htm" class="two">virtual</a><br><font style="margin-left:7.7cm"><a href="middleschool/eworkbook/factorialsubtraction.pdf" class="two">eWorkBook</a></font>'
links[20] = '<a href="middleschool/virtual/hexatobinary.htm" class="two">virtual</a><br><font style="margin-left:11.1cm"><a href="middleschool/eworkbook/hextobinaryconversion.pdf" class="two">eWorkBook</a></font>'
links[21] = '<a href="middleschool/virtual/hexatodec.htm" class="two">virtual</a><br><font style="margin-left:11.4cm"><a href="middleschool/eworkbook/hextodecimalconversion.pdf" class="two">eWorkBook</a></font>'
links[22] = '<a href="middleschool/virtual/hexatooctal.htm" class="two">virtual</a><br><font style="margin-left:10.7cm"><a href="middleschool/eworkbook/hextooctalconversion.pdf" class="two">eWorkBook</a></font>'
links[23] = '<a href="middleschool/virtual/octaltobinary.htm" class="two">virtual</a><br><font style="margin-left:9.1cm"><a href="middleschool/eworkbook/octaltobinaryconversion.pdf" class="two">eWorkBook</a></font>'
links[24] = '<a href="middleschool/virtual/octaltodec.htm" class="two">virtual</a><br><font style="margin-left:9.5cm"><a href="middleschool/eworkbook/octaltodecimalconversion.pdf" class="two">eWorkBook</a></font>'
links[25] = '<a href="middleschool/virtual/octaltohexa.htm" class="two">virtual</a><br><font style="margin-left:10.7cm"><a href="middleschool/eworkbook/octaltohexconversion.pdf" class="two">eWorkBook</a></font>'
links[26] = '<a href="middleschool/virtual/permutcombin.htm" class="two">virtual</a><br><font style="margin-left:9.1cm"><a href="middleschool/eworkbook/permutationandcombination.pdf" class="two">eWorkBook</a></font>'
links[27] = '<a href="middleschool/virtual/algequation.htm" class="two">virtual</a><br><font style="margin-left:8.5cm"><a href="middleschool/eworkbook/solvingequation.pdf" class="two">eWorkBook</a></font>'
links[28] = '<a href="middleschool/virtual/circumference.htm" class="two">virtual</a><br><font style="margin-left:8.8cm"><a href="middleschool/eworkbook/circumference.pdf" class="two">eWorkBook</a></font>'
links[29] = '<a href="middleschool/virtual/exporeqn.htm" class="two">virtual</a><br><font style="margin-left:10.5cm"><a href="middleschool/eworkbook/expressionorequation.pdf" class="two">eWorkBook</a></font>'
links[30] = '<a href="middleschool/virtual/linepair.htm" class="two">virtual</a><br><font style="margin-left:9.3cm"><a href="middleschool/eworkbook/parallelperpendicular.pdf" class="two">eWorkBook</a></font>'
links[31] = '<a href="middleschool/virtual/perimeter.htm" class="two">virtual</a><br><font style="margin-left:4.4cm"><a href="middleschool/eworkbook/perimeter.pdf" class="two">eWorkBook</a></font>'

 
var ns6=document.getElementById&&!document.all
var ie=document.all
var timer = window.setTimeout("hideLinks()",10000)
timer = window.clearTimeout(timer)

function showLinks(indx,opr)
{
	var other = "span"
	timer = window.clearTimeout(timer)
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	else if (ns6) document.getElementById(opr).innerHTML=links[indx]
	
	for(i=0;i<33;i++)
	{
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		if(i != indx)
		{	eval("document.all."+other).innerHTML = links[32]	}
	}
}

function startTimer()
{
	timer = window.setTimeout("hideLinks()",10000)
}

function hideLinks()
{	
	var allLinks
	for(i=1;i<33;i++)
	{
		allLinks = "span" + i
		{	eval("document.all."+allLinks).innerHTML = links[32]	}
	}
}

