function displayHint(m_block)	{	
	var itemHint = document.getElementById(m_block);						
	if(itemHint.style.display != 'block') {						
		itemHint.style.display = 'block';														
	} else {						
		itemHint.style.display = 'none';
	}						
}
function showDiv(d, n_block)	{	
	var itemHint = document.getElementById(d);
	var itemShow = document.getElementById(n_block);						
	if(itemHint.style.display = 'block') {						
		itemHint.style.display = 'none';
		itemShow.style.display = 'block';													
		}						
}

var current = 0;
							
var slider = document.getElementById("mainBox");							
var slides   = slider.getElementsByTagName("li");
var slidesWidth = slides[0].offsetWidth;
if(slidesWidth == 0){slidesWidth = 57}
slider.style.width = slides.length * parseInt(slidesWidth) + parseInt(slidesWidth) + "px";
slider.style.left = 0 + "px";
var IE7 = navigator.appVersion.indexOf("MSIE 7.") != -1;
var IE6 = navigator.appVersion.indexOf("MSIE 6.") != -1;

function prev()	{
	current++;
	/*if(IE7 || IE6){
		var j = parseInt(slidesWidth) * 3;
	} else	{*/
		var j = parseInt(slidesWidth) * 2;	
	//}
	if ( parseInt(slider.style.left) == j ) {
		slider.style.left = 0;
		current = 0;									
	} else	{
		slider.style.left = parseInt(slidesWidth) * current + "px";
	}	
}
							
function next()	{
	current--;
	
	/*if(IE7 || IE6){
		var j = (parseInt(slider.style.width) - parseInt(slidesWidth) * 5) *(-1);
	} else	{*/
		var j = (parseInt(slider.style.width) - parseInt(slidesWidth) * 2) *(-1);
	//}
	if ( parseInt(slider.style.left) == j ) {									
		slider.style.left = 0;
		current = 0;
	} else	{
		slider.style.left = parseInt(slidesWidth) * current + "px";
	}
}