URL = window.location.href; 
indexhtml = (URL.indexOf('index.') > -1); 
insulatinghtml = (URL.indexOf('insulating-parts.') > -1); 
customhtml = (URL.indexOf('custom-solutions.') > -1); 
materialshtml = (URL.indexOf('materials.') > -1); 
industrieshtml = (URL.indexOf('industries.') > -1); 
knowledgehtml = (URL.indexOf('knowledge-center.') > -1); 
abouttophtml = (URL.indexOf('bowitt.') > -1); 
tablasthtml = (URL.indexOf('rfq.') > -1); 


window.onload = function navigations(){ 
if (indexhtml) { 
var x=document.getElementById("home"); 
x.className = 'highlight_class'; 
} 

else if (insulatinghtml){ 
var x=document.getElementById("insulating"); 
x.className = 'highlight_class'; 
} 

else if (customhtml){ 
var x=document.getElementById("custom"); 
x.className = 'highlight_class'; 
} 

else if (materialshtml){ 
var x=document.getElementById("materials"); 
x.className = 'highlight_class'; 
} 

else if (industrieshtml){ 
var x=document.getElementById("industries"); 
x.className = 'highlight_class'; 
} 

else if (knowledgehtml){ 
var x=document.getElementById("knowledge"); 
x.className = 'highlight_class'; 
} 

else if (abouttophtml){ 
var x=document.getElementById("abouttop"); 
x.className = 'highlight_class'; 
} 


else if (tablasthtml){ 
var x=document.getElementById("tablast"); 
x.className = 'highlight_class'; 
} 



}