function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj + ' = new Image()')		
		eval(imgObj + '.src = "'+imgSrc+'"')	
		}
}

preload('technocel_n','/img/but/n_technocel.gif')
preload('technocel1004_n','/img/but/n_technocel1004.gif')
preload('topcel_n','/img/but/n_topcel.gif')
preload('genicel_n','/img/but/n_genicel.gif')
preload('diacel_n','/img/but/n_diacel.gif')
preload('technoceltab_n','/img/but/n_technoceltab.gif')
preload('thermocel_n','/img/but/n_thermocel.gif')
preload('technocelpet_n','/img/but/n_technocelpet.gif')
preload('sanacelpharma_n','/img/but/n_sanacelpharma.gif')
preload('sanacel_n','/img/but/n_sanacel.gif')
preload('qualicel_n','/img/but/n_qualicel.gif')
preload('wheatcel_n','/img/but/n_wheatcel.gif')
preload('carecel_n','/img/but/n_carecel.gif')

preload('technocel_a','/img/but/a_technocel.gif')
preload('technocel1004_a','/img/but/a_technocel1004.gif')
preload('topcel_a','/img/but/a_topcel.gif')
preload('genicel_a','/img/but/a_genicel.gif')
preload('diacel_a','/img/but/a_diacel.gif')
preload('technoceltab_a','/img/but/a_technoceltab.gif')
preload('thermocel_a','/img/but/a_thermocel.gif')
preload('technocelpet_a','/img/but/a_technocelpet.gif')
preload('sanacelpharma_a','/img/but/a_sanacelpharma.gif')
preload('sanacel_a','/img/but/a_sanacel.gif')
preload('qualicel_a','/img/but/a_qualicel.gif')
preload('wheatcel_a','/img/but/a_wheatcel.gif')
preload('carecel_a','/img/but/a_carecel.gif')

preload('strasse_n','/img/but/p_strasse.gif')
preload('anspritzbegruenung_n','/img/but/p_anspritzbegruenung.gif')
preload('bauchemie_n','/img/but/p_bchemie.gif')
preload('isolation_n','/img/but/p_isolation.gif')
preload('chemie_n','/img/but/p_chemie.gif')
preload('filt_n','/img/but/p_filt.gif')
preload('komp_n','/img/but/p_komp.gif')
preload('lebensm_n','/img/but/p_lebensm.gif')
preload('health_n','/img/but/p_health.gif')
preload('kosm_n','/img/but/p_kosm.gif')

preload('strasse_a','/img/but/pa_strasse.gif')
preload('anspritzbegruenung_a','/img/but/p_anspritzbegruenung.gif')
preload('bauchemie_a','/img/but/pa_bchemie.gif')
preload('isolation_a','/img/but/pa_isolation.gif')
preload('chemie_a','/img/but/pa_chemie.gif')
preload('filt_a','/img/but/pa_filt.gif')
preload('komp_a','/img/but/pa_komp.gif')
preload('lebensm_a','/img/but/pa_lebensm.gif')
preload('health_a','/img/but/pa_health.gif')
preload('kosm_a','/img/but/pa_kosm.gif')


function changeImage(imgName,imgObj) {	
		if (document.images) {
			document.images[imgName].src = eval(imgObj+".src")

		}
}