function gettab(id){
	
for (i=1;i<=15;i++)
 {
		if (id==i)
		{
		document.getElementById("tab"+i).className ='txt_header11';
		
		}else{
		document.getElementById("tab"+i).className ='a:hover';
		}
  }
}

//menu about
function get_about(id){
	
for (i=1;i<=7;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}
//menu career
function get_career(id,count){
for (i=1;i<=count;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}

//menu contact
function get_contact(id){
	
for (i=1;i<=4;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}

//menu partner
function get_partner(id){
	
for (i=1;i<=2;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}

//menu clients
function get_clients(id){
	
for (i=1;i<=2;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}

//menu services
function get_services(id){
	
for (i=1;i<=8;i++)
 {
		if (id==i)
		{
		document.getElementById("menu"+i).className ='txt_header11';
		
		}else{
		document.getElementById("menu"+i).className ='a:hover';
		}
  }
}