gr_over= new Image()
gr_over.src="assets/gr_over.gif"
gr_def= new Image()
gr_def.src="assets/gr_def.gif"

en_over= new Image()
en_over.src="assets/en_over.gif"
en_def= new Image()
en_def.src="assets/en_def.gif"

rom_over= new Image()
rom_over.src="assets/rom_over.gif"
rom_def= new Image()
rom_def.src="assets/rom_def.gif"

ru_over= new Image()
ru_over.src="assets/ru_over.gif"
ru_def= new Image()
ru_def.src="assets/ru_def.gif"

function rollover(imagename, newsrc){
document.images[imagename].src=newsrc.src
}