function initDivs(){
 document.all.item("PolyDivContent").style.display = "none";
 document.all.item("PolyDivContent").style.visible = "visible";

 document.all.item("PredDivContent").style.display = "none";
 document.all.item("PredDivContent").style.visible = "visible";

 document.all.item("HistDivContent").style.display = "none";
 document.all.item("HistDivContent").style.visible = "visible";

 document.all.item("FiloDivContent").style.display = "none";
 document.all.item("FiloDivContent").style.visible = "visible";
}

function setBorder(id,bOn)
{
	var oTab    = document.all.item(id+"Tab");
	var oTab1   = document.all.item(id+"Tab1");
	var oTab2   = document.all.item(id+"Tab2");
	var oTab3   = document.all.item(id+"Tab3");
	var oBorder = document.all.item(id+"Content");

	if (!oTab || !oTab1 || !oTab2 || !oTab3 || !oBorder) 
		return;

	if (bOn)
	{
		oBorder.style.borderColor =     "#cccccc";
		oBorder.style.backgroundColor = "#FFFF31";
		oTab.bgColor = "#f8bf24";
		oTab1.src    = "img/corner_mo.gif";
    	oTab2.style.color = "#FFFFFF";
		if (oBorder.style.display == "none")
			oTab3.src = "img/expand_mo.gif";
		else
			oTab3.src = "img/collapse_mo.gif";
	}
	else
	{
		oBorder.style.borderColor =     "#FFFFA8";
    	oBorder.style.backgroundColor = "#FFFFA8";
    	oTab.bgColor = "#FFFF31";
		oTab1.src	 = "img/corner.gif";
		oTab2.style.color  = "navy";
		if (oBorder.style.display == "none")
			oTab3.src = "img/expand.gif";
		else
			oTab3.src = "img/collapse.gif";
	}
}

function showHideContent(id,bOn)
{
	var bMO = false;
	var oContent = document.all.item(id+"Content");
	var oImage   = document.all.item(id+"Tab3");
	if (!oContent || !oImage) return;

	if (event.srcElement)
	{
		bMO = (event.srcElement.src.toLowerCase().indexOf("_mo.gif") != -1);
		bOn = (oContent.style.display.toLowerCase() == "none");
	}

	if (bOn == false)
	{
		oContent.style.display = "none";
		oImage.src = "img/expand" + (bMO? "_mo.gif" : ".gif");
	}
	else
	{
		oContent.style.display = "";
		oImage.src = "img/collapse" + (bMO? "_mo.gif" : ".gif");
	}

}