var	itsIsNS			= (navigator.appName=='Netscape') ? 1:0;



function setBackground(objName, color)

{

	var obj = findObj(objName);

	if (obj)

	{

		if (obj.style)

			obj.style.backgroundColor	= color;

		else

			obj.document.bgColor	= color;

	}

}



function findObj(n, d)

{

	var	p,i,x;



	if ( !d)

		d	= document;



	if (((p=n.indexOf("?")) > 0) && (parent.frames.length))

	{

		d	= parent.frames[n.substring(p + 1)].document;

		n	= n.substring(0,p);

	}



	if (!(x = d[n])&&d.all)

		x=d.all[n];



	for (i=0; !x && (i < d.forms.length); i++)

		x	= d.forms[i][n];



	for (i=0; !x && d.layers && i<d.layers.length; i++)

		x = findObj(n,d.layers[i].document);

		

	if(!x && d.getElementById) x=d.getElementById(n);

	

	return x;

}



function centerLayers(name, myLeft, myTop, myWidth, myHeight)

{

	myLayer	= findObj(name);

 	if (myLayer && (myLayer != null))

 	{

 		var	wx	= 0;

 		var	hx	= 0;



 		if ((navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)>=4))

 		{

 			wx	= window.innerWidth - myWidth;

 			hx	= window.innerHeight - myHeight;

  		}

 	 	else

 	 	{

 			wx	= document.body.clientWidth - myWidth;

 			hx	= document.body.clientHeight - myHeight;

	  	}



 		if (wx < 0)

 			wx	= 0;

 		if (hx < 0)

 			hx	= 0;



 		if ((navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)==4))

 		{

  	 	myLayer.left				= myLeft - (wx / -2);

  	 	myLayer.top					= myTop - (hx / -2);

  	 	myLayer.visibility	= "visible";

 	 	}

  		else

  		{

  		 	myLayer.style.left				= (myLeft - (wx / -2)) + "px";

  			myLayer.style.top					= (myTop - (hx / -2)) + "px";

  		 	myLayer.style.visibility	= "visible";

  		}



 	 }

}



function setVisibility(theVisibility)

{

	if ((theVisibility == 'hide') || (theVisibility == 'hidden'))

	{

		if (itsIsNS == 1)

			theVisibility	= 'hide';

		else

			theVisibility	= 'hidden';

	}



	for (i = 1; i < setVisibility.arguments.length; i++)

	{

  	var	obj	= findObj(setVisibility.arguments[i]);

		if (obj && (obj != null) && (obj != ''))

		{

			if (obj.style)

				obj.style.visibility	= theVisibility;

			else

				obj.visibility	= theVisibility;

		}

	}

}