function changeCheckbox(){
	if (document.all.main_select.selectedIndex==0){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl";
	}
	if (document.all.main_select.selectedIndex==2){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=zebra";
	}
	if (document.all.main_select.selectedIndex==3){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=fargo";
	}
	if (document.all.main_select.selectedIndex==4){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=cimage";
	}
	if (document.all.main_select.selectedIndex==5){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=evolis";
	}
	if (document.all.main_select.selectedIndex==6){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=magicard";
	}
	if (document.all.main_select.selectedIndex==8){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=zebra_rash";
	}
	if (document.all.main_select.selectedIndex==9){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=fargo_rash";
	}
	if (document.all.main_select.selectedIndex==10){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=evolis_rash";
	}	
	if (document.all.main_select.selectedIndex==11){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=matica_rash";
	}	
	if (document.all.main_select.selectedIndex==12){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=cards_blank";
	}	
	if (document.all.main_select.selectedIndex==14){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=embossers_matica";
	}	
	if (document.all.main_select.selectedIndex==16){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=mifare";
	}	
	if (document.all.main_select.selectedIndex==17){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=proxy";
	}	
	if (document.all.main_select.selectedIndex==18){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=smart";
	}	
	if (document.all.main_select.selectedIndex==20){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=read_mag";
	}	
	if (document.all.main_select.selectedIndex==21){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=barcode";
	}	
	if (document.all.main_select.selectedIndex==22){
		document.location="http://shop.plastic-online.ru/cgi-bin/index.pl?page=cardfive";
	}	
}