function show(tab_name,posX)
{
	if(document.layers)							     //NS4
	{
        if(posX>0)
            document.layers[tab_name].left=posX;
	   document.layers[tab_name].visibility="visible";
	}
	if(document.all&&!document.getElementById)	    //IE4
	{
        if(posX>0)
            document.all(tab_name).style.left=posX;
	   document.all(tab_name).style.visibility="visible";
	}
	if(document.getElementById&&document.all)		//IE5+
	{
        if(posX>0)
            document.getElementById(tab_name).style.left=posX;
    	document.getElementById(tab_name).style.visibility="visible";
	}
	if(document.getElementById&&!document.all)	//NS6+
	{
        if(posX>0)
            document.getElementById(tab_name).style.left=posX+'px';
    	document.getElementById(tab_name).style.visibility="visible";
	}
}

function hide(tab_name)
{ 
	if(document.layers)
      document.layers[tab_name].visibility="hidden";
	if(document.all&&!document.getElementById ) 
	  document.all(tab_name).style.visibility="hidden";
	if(document.getElementById)  
	  document.getElementById(tab_name).style.visibility="hidden";  
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function check_form(form){

	var n = false;
	var p = false;
	var e = false;

	var n_err_bg = "Моля, въведете име за контакт";
	var p_err_bg = "Моля, въведете телефон за контакт";
	var e_err_bg = "Моля, въведете e-mail за контакт";
	var n_err_en = "Please specify contact name";
	var p_err_en = "Please specify contact phone";
	var e_err_en = "Please specify contact e-mail";

	if ( form.realname.value == '' ) {
		if (form.lang.value == 'bg') { alert(n_err_bg); } else { alert(n_err_en); }
		form.realname.focus();
	}
	else {
		n = true;
		if ( form.phone.value == '' ) {
			if (form.lang.value == 'bg') { alert(p_err_bg); } else { alert(p_err_en); }
			form.phone.focus();
		}
		else {
			p = true;
			if ( form.email.value == '' ){
				if (form.lang.value == 'bg') { alert(e_err_bg); } else { alert(e_err_en); }
				form.email.focus();
			}
			else e = true;
		}
	}

	if (n && p && e) form.submit();
}

function check_form2(form){

	var n = false;
	var p = false;
	var e = false;
	var d = false;
	var c = false;
	var r = false;
	var f = false;

	var n_err_bg = "Моля, въведете име за контакт";
	var p_err_bg = "Моля, въведете телефон за контакт";
	var e_err_bg = "Моля, въведете e-mail за контакт";
	var d_err_bg = "Моля, въведете държава";
	var c_err_bg = "Моля, въведете град";
	var r_err_bg = "Моля, въведете вид стая";
	var f_err_bg = "Моля, въведете от коя дата желаете резервация";
	var n_err_en = "Please specify contact name";
	var p_err_en = "Please specify contact phone";
	var e_err_en = "Please specify contact e-mail";
	var d_err_en = "Please specify contact country";
	var c_err_en = "Please specify contact city";
	var r_err_en = "Please specify contact type of room";
	var f_err_en = "Please specify contact start date";

	if ( form.realname.value == '' ) {
		if (form.lang.value == 'bg') { alert(n_err_bg); } else { alert(n_err_en); }
		form.realname.focus();
	}
	else {
		n = true;
		if ( form.phone.value == '' ) {
			if (form.lang.value == 'bg') { alert(p_err_bg); } else { alert(p_err_en); }
			form.phone.focus();
		}
		else {
			p = true;
			if ( form.email.value == '' ){
				if (form.lang.value == 'bg') { alert(e_err_bg); } else { alert(e_err_en); }
				form.email.focus();
			}
			else {
				e = true;
				if ( form.country.value == '' ){
					if (form.lang.value == 'bg') { alert(d_err_bg); } else { alert(d_err_en); }
					form.country.focus();
				}
				else {
					d = true;
					if ( form.city.value == '' ){
						if (form.lang.value == 'bg') { alert(c_err_bg); } else { alert(c_err_en); }
						form.city.focus();
					}
					else {
						c = true;
						if ( form.room_type.value == '' ){
							if (form.lang.value == 'bg') { alert(r_err_bg); } else { alert(r_err_en); }
							form.room_type.focus();
						}
						else {
							r = true;
							if ( form.depart_date.value == '--' || form.depart_month.value == '--' || form.depart_year.value == '--' ){
								if (form.lang.value == 'bg') { alert(f_err_bg); } else { alert(f_err_en); }
								form.depart_date.focus();
							}
							else f = true;
						}
					}
				}
			}
		}
	}

	if (n && p && e && d && c && r && f) form.submit();
}