function procase(val){
	var overColor = "url(images/card_btn.jpg)";
	var outColor = "url(images/card_btn2.jpg)";
	var overtxt = "#069"
	var outtxt = "#666"
	
	var i=1
	var len=5

	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;	
		}
	}
	

}