");}
else if (nav =='2') {document.write("
");}
else if (nav =='3') {document.write("
");}
else if (nav =='4') {document.write("
");}
else if (nav =='5') {document.write("
");}
else if (nav =='6') {document.write("
");}
else if (nav =='7') {document.write("
");}
else {document.write("
");}