function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(hovernav);

function hovernav(){

	var ind = document.getElementById("mn").value;
	if (ind!=""){
		switch(ind){
		case "1":
		document.getElementById("menu0").className = "menu_box_hover";
		break;
		case "2":
		document.getElementById("menu1").className = "menu_box_hover";
		break;
		case "3":
		document.getElementById("menu2").className = "menu_box_hover";
		break;
		case "4":
		document.getElementById("menu3").className = "menu_box_hover";
		break;	
		}
	}
}

addLoadEvent(settings);

function settings(){
	document.getElementById("img_top_l").style.filter = "alpha(opacity=80)";
	document.getElementById("img_top_l").style.MozOpacity = "0.8";
	document.getElementById("img_top_l").style.opacity = "0.8";
	
	document.getElementById("img_top_r").style.filter = "alpha(opacity=80)";
	document.getElementById("img_top_r").style.MozOpacity = "0.8";
	document.getElementById("img_top_r").style.opacity = "0.8";

	document.getElementById("img_right").style.filter = "alpha(opacity=100)";
	document.getElementById("img_right").style.MozOpacity = "1.0";
	document.getElementById("img_right").style.opacity = "1.0";
	
	for (x=0;x<4;x++){
		var obj = document.getElementsByClassName("rb" + x);
		for (i=0;i<obj.length;i++){
			obj[i].style.filter = "alpha(opacity=60)";
			obj[i].style.MozOpacity = "0.6";
			obj[i].style.opacity = "0.6";
		}
		var obj = document.getElementsByClassName("rb" + x + "_1");
		for (i=0;i<obj.length;i++){
			obj[i].style.filter = "alpha(opacity1=100)";
			obj[i].style.MozOpacity = "1.0";
			obj[i].style.opacity = "1.0";
		}	
	}		
}

function getElementsByClassName(_className){
	var _classArray = [];
	var _regExp = new RegExp('\\b' + _className + '\\b');
	var _getAllTags = document.getElementsByTagName('*');
	for(var i = 0; i < _getAllTags.length; i++){
		if (_regExp.test(_getAllTags[i].className) == true){
			_classArray.push(_getAllTags[i]);
		}
	}
	return _classArray;
}

document.getElementsByClassName = getElementsByClassName;



	var xmlhttp;

	
	  function addvaligia(url){
	  xmlhttp=null;
	  if (window.XMLHttpRequest){
	    xmlhttp=new XMLHttpRequest();
	    }
	  else if (window.ActiveXObject){
	    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	    }
	  if (xmlhttp!=null){
	    xmlhttp.open("GET",url,false);
	    xmlhttp.setRequestHeader("Content-Type", "text/xml");
	    xmlhttp.setRequestHeader("charset", "iso-8859-1");
	    xmlhttp.send(null);
	    if (xmlhttp.readyState==4){
	      if (xmlhttp.status==200){
				alert(xmlhttp.responseText)
	        }
	      else{
	  		/*window.clipboardData.setData('Text',url);*/
	        alert("Problem retrieving XML data");
	        }
	      }		
	    }
	  else{
	    alert("Your browser does not support XMLHTTP.");
	    }
	  }