// Functions to scroll divs 

var interval = false;

var container = false;

function scrollDiv(cont,direction){
	
	container = cont;
	
	switch(direction){
		
		case "down":
			
			interval = setInterval("scrollDown()",40);
			
			break;
			
		case "up":
			
			interval = setInterval("scrollUp()",40);
			
			break;	
			
		case "stop":
		
			clearInterval(interval);
			
			break;
			
	}
	
}

function scrollUp(){

	var top = parseInt(container.style.top);
	
	if(isNaN(top)){
		
	} else {
		
		if(top < 0){
			
			top = top + 5;
		
			container.style.top = top + "px";
			
		}
		
	}
	
}

function scrollDown(){
	
	var top = parseInt(container.style.top);
	
	if(isNaN(top)){
		
		top = 0;
		
		top = top - 5;
	
		container.style.top = top + "px";
		
	} else {
		
		top = top - 5;
	
		container.style.top = top + "px";
		
	}
	
}