function selectnav (targetId){
	//alert ("selectnav: " + targetId);
	if (document.getElementById){
	   document.getElementById('list_idc').style.display = "none";
	   document.getElementById('list_newsmap').style.display = "none";
	   document.getElementById('list_'+targetId).style.display = "inline";
	}
	else if (document.layers){
		document.list_idc.style.visibility = 'hidden';
		document.list_newsmap.style.visibility = 'hidden';
		eval("document.list_"+ targetId +".style.visibility = 'visible';");
	}
	else {
		document.all.list_idc.style.visibility = 'hidden';
		document.all.list_newsmap.style.visibility = 'hidden';
		eval("document.all.list_"+ targetId +".style.visibility = 'visible';");
	}

	MM_swapImage('btn_' + 'idc','','images/common/btn_idc.gif',1);
	MM_swapImage('btn_' + 'newsmap','','images/common/btn_newsmap.gif',1);
	MM_swapImage('btn_' + targetId,'','images/common/btn_'+targetId+'_on.gif',1);

	currentnav = targetId;
	return false;
}

currentnav = "newsmap";

function try_MM_swapImgRestore(){
	//alert ("try_MM_swapImgRestore: " + currentnav);
	MM_swapImage('btn_' + 'idc','','images/common/btn_idc.gif',1);
	MM_swapImage('btn_' + 'newsmap','','images/common/btn_newsmap.gif',1);
	MM_swapImage('btn_' + currentnav ,'','images/common/btn_'+currentnav +'_on.gif',1);
	return false;
}

function try_MM_swapImg(targetId){
	//alert ("try_MM_swapImg: targetId = " + targetId + " currentnav = " + currentnav);
	if (targetId != currentnav ){
		//alert ("you are here");
		MM_swapImage('btn_' + targetId,'','images/common/btn_' + targetId + '_over.gif',1);
	}
	return false;
}