// JavaScript Document
function next(pre,maxnum){
	var i = document.getElementById("slidenum").value;
	i = parseInt(i);
	num = parseInt(maxnum);
	if(i<num){
		i = i+1;
		document.getElementById("slidenum").value = i;
	}else{
		i = 1;
		document.getElementById("slidenum").value = i;
	}	
	document.getElementById("slideimg").src = "images/"+pre+"_"+i+".jpg";
}

function prev(pre,maxnum){
	var i = document.getElementById("slidenum").value;
	i = parseInt(i);
	num = parseInt(maxnum);
	if(i>1){
		i = i-1;
		document.getElementById("slidenum").value = i;
	}else{
		i = num;
		document.getElementById("slidenum").value = i;
	}
	document.getElementById("slideimg").src = "images/"+pre+"_"+i+".jpg";
}

/*
function next(){
	var i = document.getElementById("slidenum").value;
	i = parseInt(i);
	if(i<10){
		i = i+1;
		document.getElementById("slidenum").value = i;
	}else{
		i = 1;
		document.getElementById("slidenum").value = i;
	}	
	document.getElementById("dpimg").src = "images/dp_"+i+".jpg";
}

function prev(){
	var i = document.getElementById("slidenum").value;
	i = parseInt(i);
	if(i>1){
		i = i-1;
		document.getElementById("slidenum").value = i;
	}else{
		i = 10;
		document.getElementById("slidenum").value = i;
	}
	document.getElementById("dpimg").src = "images/dp_"+i+".jpg";
}*/