function changeClass( idref, classname ) {   
  var el = document.getElementById(idref); 
  var attributeNode = el.getAttributeNode("class"); 
  if( attributeNode ) { attributeNode.value = classname; } 
  else { el.setAttribute("class", classname); } 
 }  	
		function csssifirla(){ 
		var h=1;
		for (h=1;h<=9;h++){
		changeClass("ms_"+h,"manset_sag");
		}		
		}
			
		function degistir(i){ 
		csssifirla();
		changeClass("ms_"+i,"manset_sag_2");  
		}
		
		
		function csssilk(){ 
		var h=1;
		for (h=1;h<=9;h++){
		changeClass("ms_"+h,"manset_sag");
		}		
		changeClass("ms_1","manset_sag_2");
		}