function procase(val){
	var overColor = "#f77b01";
	var outColor = "#fff";
	var overtxt = "white";
	var outtxt = "black";
	switch(val)
	{
		case 1:
			document.getElementById("pbox1").style.display='';
			document.getElementById("pbox2").style.display='none';
						
  		document.getElementById("ptn1").style.backgroundColor =overColor;
  		document.getElementById("ptn2").style.backgroundColor =outColor; 
						
			document.getElementById("ptn1").style.color = overtxt;
			document.getElementById("ptn2").style.color = outtxt;
			
			break;
			
		case 2:
			document.getElementById("pbox1").style.display='none';
			document.getElementById("pbox2").style.display='';
				
		  document.getElementById("ptn1").style.backgroundColor =outColor;
 		  document.getElementById("ptn2").style.backgroundColor =overColor;
			
			document.getElementById("ptn1").style.color = outtxt;
			document.getElementById("ptn2").style.color = overtxt;
		
			break;		
		}
}