//This Function has been written by Ehsan Rafiee
//© 2009 Raham

function tab_hover(id,pos)
 {
	
	var ff = id.substr(0,2);
	var ee = id.substr(2);

 	var selectedT = document.getElementById('tabSelected'+ff).value;

	if(selectedT!=ee)
	 {
		var idies = parseInt(ee);
		var pId = idies-1;
		var nId = idies+1;
		
		idies = "tab" + ff + idies;
		pId = "tab" + ff + pId;
		nId = "tab" + ff + nId;
		
		if(pos=="down")
		 {
			document.getElementById(idies).className  = "tab_main_d";
			document.getElementById(pId).className  = "tab_left_d";
			document.getElementById(nId).className  = "tab_right_d";
		 }//end if
		else
		 {
			document.getElementById(idies).className  = "tab_main";
			document.getElementById(pId).className  = "tab_left";
			document.getElementById(nId).className  = "tab_right";
		 }//end else
	 }//end if
 }//end func tab_hover

function tab_click(id)
 {
	var ff = id.substr(0,2);
	var ee = id.substr(2);
	
	//changed the last selsected tab to normal unselected tab
	var selectedT = document.getElementById('tabSelected'+ff).value;
	
	var idies = parseInt(selectedT);
	var pId = idies-1;
	var nId = idies+1;
	
	idies = "tab" + ff + idies;
	pId = "tab" + ff + pId;
	nId = "tab" + ff + nId;
	
	document.getElementById("tab" + ff + '2').className  = "tab_main";
	document.getElementById("tab" + ff + '1').className  = "tab_left";
	document.getElementById("tab" + ff + '3').className  = "tab_right";

	document.getElementById(idies).className  = "tab_main";
	document.getElementById(pId).className  = "tab_left";
	document.getElementById(nId).className  = "tab_right";
	
    //hide the tabs contents
	document.getElementById('C' + "tab" + ff + '2').style.display = "none";
	document.getElementById('C' + idies).style.display = "none";

	//select the new tab
	document.getElementById('tabSelected'+ff).value = ee;

	var idies = parseInt(ee);
	var pId = idies-1;
	var nId = idies+1;
	
	idies = "tab" + ff + idies;
	pId = "tab" + ff + pId;
	nId = "tab" + ff + nId;
	
	document.getElementById(idies).className  = "tab_main_s";
	document.getElementById(pId).className  = "tab_left_s";
	document.getElementById(nId).className  = "tab_right_s";
	
	//show the tabs contents
	document.getElementById('C' + idies).style.display = "block";
		
 }//end func tab click