function winOpen( fileName, width, height ){
	var folder = (fileName.indexOf("popup/") == -1)	? "popup/" : "" ;
	
	var fullPath = folder + fileName;
	var fullWidth= 'width=' + width;
	var fullHeight='height=' + height;
	
	window.open(fullPath, '', fullWidth + ',' + fullHeight + ',scrollbars=yes');
} 

function getLink(obj){
	var linkName = obj.options[obj.selectedIndex].value;
	if ( linkName ){
		winOpen(linkName+'.html','480','430');
	}
}
function callWinOpen( linkName ){
	winOpen( linkName, '480', '430' );
};