function card(val){
	var overColor = "url(cas/images/card_btn.jpg)";
	var outColor = "url(cas/images/card_btn02.jpg)";
	var overtxt = "#ff0000"
	var outtxt = "#000000"
	
	var i=1
	var len=4

	for(i;i<=len;i++)
	{
		if(i!=val)
		{
			document.getElementById("box"+i).style.display='none';
			document.getElementById("btn"+i).style.backgroundImage =outColor;
			document.getElementById("btn"+i).style.color = outtxt;
		}
		else
		{
			document.getElementById("box"+val).style.display='';	
			document.getElementById("btn"+val).style.backgroundImage =overColor;
			document.getElementById("btn"+val).style.color = overtxt;	
		}
	}
	

}

function pro(val){
	var overColor = "url(http://www.cas110.com/Products/card_btn.jpg)";
	var outColor = "url(http://www.cas110.com/Products/card_btn02.jpg)";
	var overtxt = "#000000"
	var outtxt = "#000000"
	
	var i=1
	var len=4

	for(i;i<=len;i++)
	{
		if(i!=val)
		{
			document.getElementById("pro"+i).style.display='none';
			document.getElementById("btn"+i).style.backgroundImage =outColor;
			document.getElementById("btn"+i).style.color = outtxt;
		}
		else
		{
			document.getElementById("pro"+val).style.display='';	
			document.getElementById("btn"+val).style.backgroundImage =overColor;
			document.getElementById("btn"+val).style.color = overtxt;	
		}
	}
	

}

function proMenu(val)
{

	var i=1
	var len=5

	for(i;i<=len;i++)
	{
		if(i!=val)
		{
			document.getElementById("list"+i).style.display='none';
		}
		else
		{
			document.getElementById("list"+val).style.display='block';	
		}
	}
}