function switchTab(a_class){
	if(a_class == "webpage_guide"){
		document.getElementById("webpage_guide").setAttribute("class", "active");
		document.getElementById("client_guide").setAttribute("class", "");
		MM_changeProp('webpage_guide_div','','display','block','DIV');
		MM_changeProp('client_guide_div','','display','none','DIV');
		
		/*For windows*/
		document.getElementById("webpage_guide").setAttribute("className", "active");
		document.getElementById("client_guide").setAttribute("className", "");
	}
	
	if(a_class == "client_guide"){
		document.getElementById("webpage_guide").setAttribute("class", "");
		document.getElementById("client_guide").setAttribute("class", "active");
		MM_changeProp('webpage_guide_div','','display','none','DIV');
		MM_changeProp('client_guide_div','','display','block','DIV');
		
		/*For windows*/
		document.getElementById("webpage_guide").setAttribute("className", "");
		document.getElementById("client_guide").setAttribute("className", "active");
	}
}

function MM_changeProp(objId,x,theProp,theValue) { //v9.0
  var obj = null; with (document){ if (getElementById)
  obj = getElementById(objId); }
  if (obj){
    if (theValue == true || theValue == false)
      eval("obj.style."+theProp+"="+theValue);
    else eval("obj.style."+theProp+"='"+theValue+"'");
  }
}