function changeImages() {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}

	function ChgMnuSelImg(sImg, sLngID){

		if(sImg==top.frames['fr_top'].flag) /*nothing to do*/
			return
		
		if(top.frames['fr_top'].flag){
			sT = top.frames['fr_top'].flag.substring(2)
			top.frames['fr_top'].changeImages(top.frames['fr_top'].flag, '../img/mnu/off_'+sT+'_'+sLngID+'.gif')
		}

		sT = sImg.substring(2)
		bTopReady = false

		if(top.frames['fr_top'].document)
			if(eval("top.frames['fr_top'].document."+sImg))
				bTopReady = true

		if(bTopReady){/*the top frame was already loaded*/
			top.frames['fr_top'].changeImages(sImg, '../img/mnu/on_'+sT+'_'+sLngID+'.gif')
			top.frames['fr_top'].flag = sImg
		}
		else{/*not yet ready we wait a little bit and try again*/
			sCmd = "ChgMnuSelImg('"+sImg+"','"+sLngID+"')"
			setTimeout(sCmd , 500)
		}
	}