//Initialize our user agent string to lower case.
var uagent = navigator.userAgent.toLowerCase();
var isMAC = (uagent.search('macintosh') > -1 || uagent.search('ipad') > -1) ? true : false;
var isWIN7 = ((uagent.search('windows nt 7') > -1 ||  uagent.search('windows nt 6') > -1) && uagent.search('rv:5') > -1) ? true : false;
var isIE6 = uagent.search('msie 6') > -1 ? true : false;
var isIE7 = uagent.search('msie 7') > -1 ? true : false;
var isIE8 = uagent.search('msie 8.0') > -1 ? true : false;
var isFF = uagent.search('firefox') > -1 ? true : false;
var isCHROME = uagent.search('chrome') > -1 ? true : false;
var isSAFARI = uagent.search('safari') > -1 ? true : false;
var isIE = (isIE6 || isIE7 || isIE8) ? true : false;

var style_fix = '';
if (isMAC) {
    style_fix = "styles_mac_fix";
    style_fix += (isCHROME || isSAFARI) ? "2" : "";
} else if(isIE6) {
    style_fix = "_style_ie6";
} else if(isIE7) {
    style_fix = "_styles_ie7";
} else if(isWIN7 && isFF) {
    style_fix = "styles_win7_fix";
}

if (style_fix != '') {
    document.write('<link href="/styles/'+style_fix+'.css" media="all" rel="stylesheet" type="text/css" />');
}