function show(id) {
	var prdid = id;
	document.frmproducts.prd.value = prdid;
	document.frmproducts.action ="product_details.php"
	document.frmproducts.submit();
}

var prddivname = "prodpg_";
first = 1;
last = 3;
current = 1;

function next() 
{
	 // Hide current
	 object = document.getElementById(prddivname + current);
	 object.style.display = 'none';
		   
	 // Show next, if last, loop back to front
	 if (current == last) { current = 1; }
	 else { current++ }
	 object = document.getElementById(prddivname + current);
	 object.style.display = 'block';
}

function prev() 
{
	 // Hide current
	 object = document.getElementById(prddivname + current);
	 object.style.display = 'none';
		   
	 if (current == first) { current = last; }
	 else { current--; }
	 object = document.getElementById(prddivname + current);
	 object.style.display = 'block';
}

function initial() {	

	for (i=1;i<=3;i++)
	{
		if(i == 1){
			document.getElementById("prodpg_1").style.display="block"; 
		}
		else {
			document.getElementById("prodpg_"+ i).style.display ="none";
		}	
	}
}