// JavaScript Document
function slide(a, b, c){
	document.getElementById('product').style.backgroundImage='url(img/buttonfirstbg.jpg)';
	document.getElementById('product-content').style.display='none';
	document.getElementById('brand').style.backgroundImage='url(img/buttonbg.jpg)';
	document.getElementById('brand-content').style.display='none';
	document.getElementById('applications').style.backgroundImage='url(img/buttonbg.jpg)';
	document.getElementById('application-content').style.display='none';
	document.getElementById('country').style.backgroundImage='url(img/buttonbg.jpg)';
	document.getElementById('country-content').style.display='none';
	
	document.getElementById(a).style.backgroundImage='url(img/buttonoverbg.jpg)';
	document.getElementById(b).style.display='';
	if(c!='none'){
		if(c=='product')
			document.getElementById(c).style.backgroundImage='url(img/buttonfirstbgs.jpg)';
		else
			document.getElementById(c).style.backgroundImage='url(img/buttonbgs.jpg)';
	}
}
function qiehuan(a, b)
{	
	document.getElementById('leftoreli').style.backgroundImage='url(../img/oreli.jpg)';
	document.getElementById('introduce').style.display='none';
	document.getElementById('leftoreli').style.color='#c3c1c1';
	document.getElementById('rightoreli').style.backgroundImage='url(../img/oreli.jpg)';
	document.getElementById('spec').style.display='none';
	document.getElementById('rightoreli').style.color='#c3c1c1';
	
	document.getElementById(a).style.display='';
	document.getElementById(b).style.backgroundImage='url(../img/orelihover.jpg)';
	document.getElementById(b).style.color='#313131';
}
function md(e) 
{ 
  try { if (event.button==2||event.button==3) return false; }  
  catch (e) { if (e.which == 3) return false; } 
}
document.oncontextmenu = function() { return false; }
document.ondragstart   = function() { return false; }
document.onselectstart = function() { return false; }
document.onmousedown   = md;