// fleet detail functions

/** 
* simple rollover
* @param element-id
*/
function swap(e,x) {
	imgId = document.getElementById(e);
	imgSrc = imgId.src;
	if (imgSrc.indexOf('1') > 0) {
		srcParts = imgSrc.split('1.gif');
		newSrc = srcParts[0]+'.gif';
		imgId.src = newSrc;
	} else {
		srcParts = imgSrc.split('.gif');
		newSrc = srcParts[0]+'1.gif';
		imgId.src = newSrc;
	}
}