function open_lb(disp_html)
{
	//alert(disp_html);
	var url = 'ajax.php';	
	var parm = "action=product_details&disp_html="+disp_html;	
	//alert(parm);
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: parm, onComplete: ShowLightBoxProduct} );	
		
}


function ShowLightBoxProduct(originalRequest)
{	
	var rt = originalRequest.responseText;	
	
	//alert(rt);
	var divproduct_lb = document.getElementById("product_lb");		
	divproduct_lb.innerHTML=rt;		
	openbox("filter","box","boxtitle","ImageLightBox",1);
}

/*-----------------------------------------------------*/
function display_eb_inc()
{
	var maxtr_eb = 2;
	
	document.getElementById("eb_nxt").style.display="";			
	document.getElementById("eb_prev").style.display="";
	
	
	var col_num=document.getElementById("eb").value;
	
	
	var nxt=parseInt(col_num)+1;
	var prev=parseInt(nxt)-1;
	
	if (col_num < maxtr_eb){
	document.getElementById("eb"+prev).style.display="none";
	document.getElementById("eb"+nxt).style.display="";	
	
	document.getElementById("eb").value=nxt;		
	//document.getElementById("eb_msg").innerHTML="";	
	
		if(col_num == maxtr_eb-1)
		{
			document.getElementById("eb_nxt").style.display="none";	
		}
	}
}


function display_eb_dec()
{
	
	document.getElementById("eb_nxt").style.display="";			
	document.getElementById("eb_prev").style.display="";
	
	var col_num=document.getElementById("eb").value;
	var prev=parseInt(col_num)-1;
	var nxt=parseInt(prev)+1;
	
	if(col_num > 1){	
	document.getElementById("eb"+nxt).style.display="none";	
	document.getElementById("eb"+prev).style.display="";	
	
	document.getElementById("eb").value=prev;		
	//document.getElementById("eb_msg").innerHTML="";	
	
		if(col_num == 2)
		{
			document.getElementById("eb_prev").style.display="none";
		}
	}
}

/*-------------------------------------------*/
function display_op_inc()
{
	var maxtr_op = 4;
	
	document.getElementById("op_nxt").style.display="";	
	document.getElementById("op_prev").style.display="";
	
	
	var col_num=document.getElementById("op").value;
	
	
	var nxt=parseInt(col_num)+1;
	var prev=parseInt(nxt)-1;
	
	if (col_num < maxtr_op){
	document.getElementById("op"+prev).style.display="none";
	document.getElementById("op"+nxt).style.display="";	
	
	document.getElementById("op").value=nxt;		
	//document.getElementById("op_msg").innerHTML="";	
	
		if(col_num == maxtr_op-1)
		{
			document.getElementById("op_nxt").style.display="none";	
		}	
	}
}


function display_op_dec()
{
	document.getElementById("op_nxt").style.display="";	
	document.getElementById("op_prev").style.display="";
		
	var col_num=document.getElementById("op").value;
	var prev=parseInt(col_num)-1;
	var nxt=parseInt(prev)+1;
	
	if(col_num > 1){
	
	document.getElementById("op"+nxt).style.display="none";	
	document.getElementById("op"+prev).style.display="";	
	
	document.getElementById("op").value=prev;		
	//document.getElementById("op_msg").innerHTML="";	
	
		if(col_num == 2)
		{
			document.getElementById("op_prev").style.display="none";
		}	
	}
}