function iPreload( iObject, iSource ) {
	if ( document.images ) {
		eval( iObject + '  =  new Image()'  )
		eval( iObject + '.src  = "' + iSource + '"' )
	}
}

function iChange(  iName, iObject  ) {
	if ( document.images ) {
		document.images[ iName ].src = eval(  iObject + ".src" )
	}
}