//====健康食品=健康食品 食品机械 food.htm
var flaghot = "recommend";
function chghot(str) {
	if(str=="recommend")
	{
		document.getElementById("recommend1").style.display= "block";
		document.getElementById("hot1").style.display = "block";
		document.getElementById("recommend2").style.display= "none";
		document.getElementById("hot2").style.display = "none";
	    document.getElementById("recommend"+"_content").style.display = "block";		
	    document.getElementById("hot"+"_content").style.display = "none";
	}
	else if(str=="hot")
	{
		document.getElementById("recommend1").style.display= "none";
		document.getElementById("hot1").style.display = "none";
		document.getElementById("recommend2").style.display= "block";
		document.getElementById("hot2").style.display = "block";
	    document.getElementById("recommend"+"_content").style.display = "none";		
	    document.getElementById("hot"+"_content").style.display = "block";	
	}
}