var agt = navigator.userAgent.toLowerCase();
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);
    var isNav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)	&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)	&& (agt.indexOf('webtv')==-1));
    var isNav4 = (isNav && (is_major == 4));
    var isNav4up = (isNav && (is_major >= 4));
    var isNavonly	  = (isNav && ((agt.indexOf(";nav") != -1) ||  (agt.indexOf("; nav") != -1)) );
    var isNav6 = (isNav && (is_major >= 6));
    var isIE   = (agt.indexOf("msie") != -1);
    var isIE3  = (isIE && (is_major < 4));
    var isIE4  = (isIE && (is_major == 4) && (agt.indexOf("msie 4.") != -1) );
    var isIE4up  = (isIE  && (is_major >= 4));
    var isMac = (navigator.appVersion.indexOf("Mac") != -1);
    var isWin = (navigator.appVersion.indexOf("Win") != -1);
    var isIE5  = (isIE && (is_major == 4) && (agt.indexOf("msie 5.") != -1) );
    var isIE5up  = (isIE  && !isIE3 && !isIE4);
    if (isIE5 && (is_major == 4)) { is_major = 5; }


function launchVideo() {
if (isIE) { document.write("<br>"); }
document.write("<a href=\"#\" onClick=\"window.open('/services-support/professional-services/ip-network-infrastructure/video.html','win','width=355,height=295')\">");
document.write("<img height=\"57\" alt=\"IP Network Infrastructure\" src=\"/sites/dotcom/images/services_support/ip_network_video_startplay.gif\" width=\"68\" align=\"left\" border=\"0\" /></a>Video White Paper: Taking Control of IP Network Infrastructures</p>");
}


function videolink() {
links=document.getElementsByTagName('a');
for(i=0;i<links.length;i++){
   if(links[i].getAttribute('pathname')){
   		attrib='pathname';
   }else{
   		attrib='href'
   }
   if(links[i].getAttribute(attrib).indexOf('video.html') != -1){
	links[i].href = "javascript:void(window.open('/services-support/professional-services/ip-network-infrastructure/video.html','win','width=355,height=295'))";
	}
}
}
//document.onclick = videolink;