var agent = navigator.userAgent.toLowerCase();var major = parseInt(navigator.appVersion);var minor = parseFloat(navigator.appVersion);var ie = (agent.indexOf("msie") != -1);var ns = ((agent.indexOf('mozilla')!=-1) && (agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)); var ns4 = (ns && (major >= 4 && major<5)); var ns6 = (ns && (major >= 5)); var ie5 = (ie && (major >= 4));
if (ie5) {document.write("<script language='javascript' src='"+site+"/script/libdhtml_ie_lite.js'></script>");} else if (ns6) {document.write("<script language='javascript' src='"+site+"/script/libdhtml_ns6_lite.js'></script>"); } else if (ns4) {document.write("<script language='javascript' src='"+site+"/script/libdhtml_ns4_lite.js'></script>"); } else {alert("Votre navigateur n'est pas compatible avec la librairie DHTML du site (IE4.x+/NS4.x+)"); }