brname="";
function on_load_doc(name_page){
	p1='<link rel="stylesheet" type="text/css" href="css2/';
	p2='.css">';
	if (parseInt(navigator.appVersion)>=4)
	{
		usAgName = navigator.userAgent;
		brname   = 'ie';

		if(usAgName.indexOf('Opera')!=-1){
//			document.write(p1+'op'+p2);
			brname = 'op';
		}

		if(usAgName.indexOf('Gecko')!=-1){
			if(usAgName.indexOf('Netscape')!=-1){
//				document.write(p1+'nn'+p2);
				brname = 'nn';
			}else{
//				document.write(p1+'mz'+p2);
				brname = 'mz';
			}
		}

		if(brname == 'ie'){
//			document.write(p1+'ie'+p2);
		}
	}else{
//		document.write(p1+'ie'+p2);
		brname = 'ie';
	}
}

function new_win(foto_name,size_width,size_height){
	size_width1=size_width+20;
	size_height1=size_height+25;
	foto=window.open("","","toolbar=0, left=0, top=0, location=0, menubar=0, scrollbars=0, resizable=1, width="+size_width1+", height="+size_height1);
	foto.document.write("<html>");
	foto.document.write("<title>фотография</title>");
	foto.document.write("<body>");
	foto.document.write("<img src="+foto_name+" width="+size_width+" height="+size_height+">");
	foto.document.write("</html>");
	foto.document.write("</body>");
	return;
}

function change_img(){
	rnd_num = 1+Math.round(Math.random());
	document.images.krug.src = 'img/krug'+rnd_num+'.jpg';
	setTimeout('change_img()',500);
}

function move_krug(lft,flag_right){

	step = 1;

	if((lft >= 100)&&(lft <= 200)){
		if(flag_right == 1){
			lft=lft+step;
		}else{
			lft=lft-step;
		}
	}else{
		if(lft < 100){
			flag_right = 1;
			lft=lft+step;
		}else{
			flag_right = 0;
			lft=lft-step;
		}
	}
	document.getElementById('krug_img').style.left  = lft;
	setTimeout('move_krug('+lft+','+flag_right+')',50);
}

