document.write('<script>');
document.write('function swapon1()');
document.write(' {');
document.write('      document.img1.src="img/navigr1.gif";');
document.write(' }');
document.write('function swapoff1()');
document.write(' {');
document.write('      document.img1.src="img/navig1.gif";');
document.write(' }');
document.write('function swapon2()');
document.write(' {');
document.write('      document.img2.src="img/navigr2.gif";');
document.write(' }');
document.write('function swapoff2()');
document.write(' {');
document.write('      document.img2.src="img/navig2.gif";');
document.write(' }');
document.write('function swapon3()');
document.write(' {');
document.write('      document.img3.src="img/navigr3.gif";');
document.write(' }');
document.write('function swapoff3()');
document.write(' {');
document.write('      document.img3.src="img/navig3.gif";');
document.write(' }');
document.write('function swapon4()');
document.write(' {');
document.write('      document.img4.src="img/navigr4.gif";');
document.write(' }');
document.write('');
document.write('function swapoff4()');
document.write(' {');
document.write('      document.img4.src="img/navig4.gif";');
document.write(' }');
document.write('function swapon5()');
document.write(' {');
document.write('      document.img5.src="img/navigr5.gif";');
document.write(' }');
document.write('function swapoff5()');
document.write(' {');
document.write('      document.img5.src="img/navig5.gif";');
document.write(' }');
document.write('function swapon6()');
document.write(' {');
document.write('      document.img6.src="img/navigr6.gif";');
document.write('');
document.write(' }');
document.write('function swapoff6()');
document.write(' {');
document.write('      document.img6.src="img/navig6.gif";');
document.write('');
document.write(' }');
document.write('function swapon7()');
document.write(' {');
document.write('      document.img7.src="img/navigr7.gif";');
document.write('');
document.write(' }');
document.write('function swapoff7()');
document.write(' {');
document.write('      document.img7.src="img/navig7.gif";');
document.write('');
document.write(' }');
document.write('</script>');