function Resize(w,h){
	// defaults:
	var win_w = screen.availWidth;
	
	if(win_w>1200){
		win_w= 1200;
	}else{}
	
	var win_h = screen.availHeight;
	if(win_h>1000){
		win_h=1000;
	}else{}
	
	var win_x = 0;
	var win_y = 0;
	
	// adjust?
	if(w && w!=0){ win_w = w; win_x = (screen.availWidth-w)/2;}else{}
	if(h && h!=0){win_h = h; win_y = (screen.availHeight-h)/2;}else{}
	self.resizeTo(win_w,win_h);
	self.moveTo(win_x,win_y);

}