function slider(id){var divname=id+"_block";var imgname=id+"_img";if(document.getElementById){if(document.getElementById(divname).style.display=="none"){document.getElementById(divname).style.display='block';}else{document.getElementById(divname).style.display='none';}}else{if(document.layers){if(document.divname.display=="none"){document.divname.display='block';}else{document.divname.display='none';}}else{if(document.all.divname.style.visibility=="none"){document.all.divname.style.display='block';}else{document.all.divname.style.display='none';}}}}