if (document.documentElement.scrollTop) init_pos=document.documentElement.scrollTop; else init_pos=window.pageYOffset;
step=200;
timeshift=1;

function letsmove(newpos){
	if (document.documentElement.scrollTop) x=document.documentElement.scrollTop; else x=window.pageYOffset;
	if(x<1) { 
		window.scroll(0,1);
		x = 1;
	}
	init_pos=x;
	if (init_pos<newpos) {
		movefr(newpos,"down");
	}
	if (init_pos>newpos) {

		movefr(newpos,"up");
	}
}
function movefr(newpos,direction){
	if (direction=="down") {
		z=newpos-init_pos;
		if (init_pos<newpos && z>=step) {
			init_pos=init_pos+step;
			var t=setTimeout("eval(movefr('"+newpos+"','"+direction+"'))",timeshift);
		} else {
			if (z<step) init_pos=newpos;
		}
	}
	if (direction=="up") {
		z=init_pos-newpos;
		if (init_pos>newpos && z>=step) {
		init_pos=init_pos-step;
			var t=setTimeout("eval(movefr('"+newpos+"','"+direction+"'))",timeshift);
		} else {
			if (z<step) init_pos=newpos;
		}
	}
	window.scroll(0,init_pos);
}
window.onload = function() {
	window.scroll(0,2600);
	loadHTML('ajax_server.php?type=all', 'portfolio');
}
window.onscroll = function (e) {
}

function smenu(){
	if (document.documentElement.scrollTop) x=document.documentElement.scrollTop; else x=window.pageYOffset;
	m1=document.getElementById("m01");
	ms1=document.getElementById("ms01")
	m2=document.getElementById("m02");
	ms2=document.getElementById("ms02")
	m3=document.getElementById("m03");
	ms3=document.getElementById("ms03")
	m4=document.getElementById("m04");
	ms4=document.getElementById("ms04")
	if (x>5 && x<500){
			document.getElementById("menu").className="op50";
	} else {
			document.getElementById("menu").className="op100";
	}
	if (x>=0 && x<1000) {
		

		m1.style.display='none';
		ms1.style.display='inline';
		
		m2.style.display='inline';
		m2.className="mdown";
		ms2.style.display='none';

		m3.style.display='inline';
		m3.className="mdown";
		ms3.style.display='none';

		m4.style.display='inline';
		m4.className="mdown";
		ms4.style.display='none';
	}
	if (x>=1000 && x<2000) {
		m1.style.display='inline';
		m1.className="mup";
		ms1.style.display='none';
		
		m2.style.display='none';
		ms2.style.display='inline';

		m3.style.display='inline';
		m3.className="mdown";
		ms3.style.display='none';

		m4.style.display='inline';
		m4.className="mdown";
		ms4.style.display='none';
	}
	if (x>1900 && x<2900) {
		m1.style.display='inline';
		m1.className="mup";
		ms1.style.display='none';
		
		m2.style.display='inline';
		m2.className="mup";
		ms2.style.display='none';

		m3.style.display='none';
		ms3.style.display='inline';

		m4.style.display='inline';
		m4.className="mdown";
		ms4.style.display='none';
	}
	if (x>2900) {
		m1.style.display='inline';
		m1.className="mup";
		ms1.style.display='none';
		
		m2.style.display='inline';
		m2.className="mup";
		ms2.style.display='none';

		m3.style.display='inline';
		m3.className="mup";
		ms3.style.display='none';

		m4.style.display='none';
		ms4.style.display='inline';
	}
}