position=0;
stima_cicli_while=8;
function scrollRight(){ 
	var now = new Date();
	var exitTime = now.getTime() + 900;    // Returns minutes
	var cicli=0;
	var nowTime=now.getTime();
	var misura=400/stima_cicli_while;
	y=position;
	exTime=nowTime;
	while(nowTime<=exitTime){
	now = new Date();
	nowTime=now.getTime();
	y=y+misura;
	position=position+misura;	         
        parent.scroll(y,0);
	
	cicli++;	
	}
	stima_cicli_while=cicli;
}    
function scrollLeft(){ 
	var now = new Date();
	var exitTime = now.getTime() + 900;    // Returns minutes
	var cicli=0;
	var nowTime=now.getTime();
	var misura=-(400/stima_cicli_while);
	y=position;
	exTime=nowTime;
	while(nowTime<=exitTime){
	now = new Date();
	nowTime=now.getTime();
	y=y+misura;
		position=position+misura;	         
        parent.scroll(y,0);
	
	cicli++;	
	}
	x=y;
	stima_cicli_while=cicli;
}
function scrollBack(){ 
	var now = new Date();
	var exitTime = now.getTime() + 1800;    // Returns minutes
	var cicli=0;
	var nowTime=now.getTime();
	var misura=-(position/(stima_cicli_while*2));
	y=position;
	exTime=nowTime;
	while(nowTime<=exitTime){
	now = new Date();
	nowTime=now.getTime();
	y=y+misura;
		position=position+misura;	         
        parent.scroll(y,0);
	
	cicli++;	
	}
	if(position>0){
		         
        parent.scrollTo(0,0);
	}
	position=0;
}                                                     
 
function pageScrollRight(){
scrollRight();
}
function pageScrollLeft(){
scrollLeft();
}
function pageScrollBack() {
			
			scrollBack();
	
		 // horizontal and vertical scroll increments
    	// scrolls every 100 milliseconds
		}   // JavaScript Document