Replace Global Links In SharePoint Using JQuery

Below is the JQuery Script to replace the first link of Global Breadcrumbs and you can replace text as well

<script type="text/javascript">
$(document).ready(function(){

//To replace the Global Breadcrumbs
$("#ctl00_PlaceHolderGlobalNavigation_PlaceHolderGlobalNavigationSiteMap_GlobalNavigationSiteMap").children(":first").children(":first").attr("innerText","SimCentral");

$("#ctl00_PlaceHolderGlobalNavigation_PlaceHolderGlobalNavigationSiteMap_GlobalNavigationSiteMap").children(":first").children(":first").attr("href","http://hotmail.com");

//To hide the Global Breadcrumbs
//$("#ctl00_PlaceHolderGlobalNavigation_PlaceHolderGlobalNavigationSiteMap_GlobalNavigationSiteMap").css({display:'none'});
});

</script>