// JavaScript Document
function tabChange(a, b, c){
	document.getElementById('product').style.backgroundImage='none';
	document.getElementById('product').style.color='#333';
	document.getElementById('product-content').style.display='none';
	
	document.getElementById('brand').style.backgroundImage='none';
	document.getElementById('brand').style.color='#333';
	document.getElementById('brand-content').style.display='none';
	
	document.getElementById('applications').style.backgroundImage='none';
	document.getElementById('applications').style.color='#333';
	document.getElementById('application-content').style.display='none';
	
	document.getElementById('country').style.backgroundImage='none';
	document.getElementById('country').style.color='#333';
	document.getElementById('country-content').style.display='none';
	
	document.getElementById(a).style.backgroundImage='url(images/html-item/tabbg3.gif)';
	document.getElementById(a).style.color='#4082C6';
	document.getElementById(b).style.display='';
	if(c!='none'){
		if(c=='product')
			document.getElementById(c).style.color='red';
		else
			document.getElementById(c).style.color='red';
	}
}