var folder='/global/EMEA/powernow/nl/images/rollovers/';
var imgNames=['sec','ipc','wm','sn','ni'];
var onImg='';
function initRollovers(switchBack)
{
	onImg=switchBack;
	for(var i=0;i<imgNames.length;i++)
	{
		window['pl_'+imgNames[i]+'_on']=new Image();
		window['pl_'+imgNames[i]+'_on'].src=folder+'sm_'+imgNames[i]+'_on.gif';
		window['pl_'+imgNames[i]+'_off']=new Image();
		window['pl_'+imgNames[i]+'_off'].src=folder+'sm_'+imgNames[i]+'_off.gif';
		window['pl_'+imgNames[i]+'_txt']=new Image();
		window['pl_'+imgNames[i]+'_txt'].src=folder+'txt_'+imgNames[i]+'.gif';
	}
}
function rollOn(theImg)
{
	if((document.images)&&(document.images[theImg+'_img']))
	{
		document.images[theImg+'_img'].src=window['pl_'+theImg+'_on'].src;
		document.images['desc_img'].src=window['pl_'+theImg+'_txt'].src;
	}
}
function rollOff(theImg)
{
	if((document.images)&&(document.images[theImg+'_img']))
	{
		document.images[theImg+'_img'].src=window['pl_'+theImg+'_off'].src;
		rollOn(onImg);
	}
}