function GetBaseName(file)
{
var Parts = file.split('\\');
if( Parts.length < 2 )
Parts = file.split('/');
return Parts[ Parts.length -1 ];
} 


function Getcurrentpage() { 
 if (!document.getElementsByTagName){
return;
} 
 var anchors = document.getElementsByTagName("a"); 
 var thispage = GetBaseName(location.href); 
if(thispage==""){ 
thispage="index.php" 
};
 for (var i=0; i<anchors.length; i++) {  
 var anchor = anchors[i]; 
 thisHREF = anchor.getAttribute("href"); 
 if ((thisHREF == thispage || thisHREF=='http://www.hobsonhealth.co.uk/main/'+thispage )) { 
 anchor.className+="active";
 return; 
 } 
 }  
}