//preload
var img=new Array();
if (navigator.appVersion.charAt(0) >= "3") {
	for(idx=0; idx<imgname.length; idx++) {
		img[idx]=new Image();
		img[idx].src=imgname[idx];
	}
}


//rollover
function rollover(nam,o){
	if (navigator.appVersion.charAt(0) >= "3"){
		document.images[nam].src=o;
	}
}


//change_col
var obj;
function change_col(co,cl01){
	if(navigator.appVersion.charAt(0)>="4" &&(navigator.appVersion.indexOf("MSIE 4")=="-1" || navigator.appVersion.indexOf("mozilla/4.")=="-1")){
		//ie5&nn6&mozilla
		if(document.getElementById){
  			obj=document.getElementById(co);
 		}else if(document.all==""){
  			obj=document.all(co);
		}
		if(obj){
			obj.style.backgroundColor = cl01;
		}
	}
}


function object_remove(object_name01){
	object_name02=object_name01.split(",");
	for(z=0;z<object_name02.length;z++){
		if(document.getElementById){
			var display_status=(document.getElementById(object_name02[z]).style.display=='none') ? '' : 'none' ;
			document.getElementById(object_name02[z]).style.display=display_status;
		}
		else if(document.all){
			var display_status=(document.all(object_name02[z]).style.display=='none') ? '' : 'none' ;
			document.all(object_name02[z]).style.display=display_status;
		}
	}
}

function object_remove02(object_name01,param98){
	object_name02=object_name01.split(",");
	for(z=0;z<object_name02.length;z++){
		if(document.getElementById){
			document.getElementById(object_name02[z]).style.display=param98;
		}
		else if(document.all){
			document.all(object_name02[z]).style.display=param98;
		}
	}
}

function object_hide(object_name01,param99){
	object_name02=object_name01.split(",");
	for(z=0;z<object_name02.length;z++){
		if(document.getElementById){
			document.getElementById(object_name02[z]).style.visibility=param99;
		}
		else if(document.all){
			document.all(object_name02[z]).style.visibility=param99;
		}
	}
}