function preloadImage(imgObj, imgSrc) 

{

	if (document.images) 

	{

		eval(imgObj+' = new Image()');

		eval(imgObj+'.src = "'+imgSrc+'"');

	}

}



function changeImage(imgName, imgObj) 

{

	if (document.images) 

	{

		document.images[imgName].src = eval(imgObj+".src");

	}

}



function twoFrames(pageSrc1, frameName1, pageSrc2, frameName2)

{

	eval('parent.'+frameName1+'.location.href = "'+pageSrc1+'"');

	eval('parent.'+frameName2+'.location.href = "'+pageSrc2+'"');

}



function loadFrame(pageSrc, frameName)

{

	eval('top.'+frameName+'.location.href = "'+pageSrc+'"');

}