function changeSortOrder(id,order,urlString) {
	
	document.location="?sort="+id+"&order="+order+"&"+urlString;

}

function changeAutoLogin(obj) {
	
	var frmEl = document.forms['login_form'];
	var loginType = frmEl['auto_login'];

	switch(loginType.value) {
		
		case '0' :
			loginType.value = 1;
			obj.src = 'images/checkbox_checked.gif';
			break;
		case '1' :
			loginType.value = 0;
			obj.src = 'images/checkbox_unchecked.gif';
			break;
			
	}
	
}

function startImport(obj) {
	
	frmEl = obj.form;
	if(frmEl['userfile'].value.length>5) {

		obj.disabled = true;
		document.forms['import_form'].submit();
		
	} else {
		alert("Vyberte cestu k súboru");
	}
	
}

function transerValueToField(objFrom,objTo) {

	frmEl = objFrom.form;

	if(frmEl[objTo].value=='') {
		frmEl[objTo].value = objFrom.value;	
	}

}

function checkIt(e,str_allowed){
	
	var evt = (e) ? e : window.event;
	var charCode = (evt.which) ? evt.which : event.keyCode;

	for (i=0; i<str_allowed.length;i++) {
		if (str_allowed.charCodeAt(i) == charCode || charCode==8) {
			return true;
		}
	}
	
	return false;
	
}

function checkForm(frm) {

	var emptyArr = new Array();
	var alertMessage = "Nesprávne zadané alebo nezadané nasledovné údaje:	\n\n";
	
	for(var i=0; i<frm.length; i++) {
	
		if(typeof(frm[i].getAttribute("mandatory"))=="string" && !frm[i].disabled && !frm[i].readonly) {

			switch(frm[i].type) {
			
				case "file" :
					
					if(frm[i].value=="")
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
			
				case "text" :

					if((frm[i].getAttribute("minlength")==null && frm[i].value=="") || (frm[i].getAttribute("minlength")!=null && frm[i].value.length < (frm[i].getAttribute("minlength")*1)))
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
					
				case "textarea" :
					
					if((frm[i].getAttribute("minlength")==null && frm[i].value=="") || (frm[i].getAttribute("minlength")!=null && frm[i].value.length < (frm[i].getAttribute("minlength")*1)))
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
					
				case "password" :
					
					if((frm[i].getAttribute("minlength")==null && frm[i].value=="") || (frm[i].getAttribute("minlength")!=null && frm[i].value.length < (frm[i].getAttribute("minlength")*1)))
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
					
				case "select" :
				
					if(frm[i].selectedIndex<0)
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
					
				case "select-multiple" :
			
					if(frm[i].length==0 || frm[i].selectedIndex<0)
						emptyArr[emptyArr.length] = frm[i].getAttribute("mandatory");
					break;
					
			}
			
		}
		
	}

	if(emptyArr.length>0) {
	
		for(var i=0; i < emptyArr.length; i++) {
		
			alertMessage += emptyArr[i] + "\n";
		
		}
		
		alert(alertMessage);
		return false;
		
	} else {
	
		return true;
		
	}
	
}

function showAppModule(appModule,appAction) {
	
	var appLocation = '?app_module='+appModule;
	if(typeof(appAction)!='undefined') appLocation += '&action='+appAction;

	document.location = appLocation;

}

function addToBasket(productId) {
	
	var frmEl = document.forms['basket_order'];
	var orderedCount = frmEl['stock['+productId+']'].value;
	if(orderedCount>100) {
		alert('Maximálny počet položiek jedného druhu je 100!');
	} else {
		frmEl['ordered_product'].value = productId;
		frmEl.submit();
	}

}

function remFromBasket(orderedProductId) {

	var frmEl = document.forms['basket_reload'];
	frmEl['action_type'].value = 'remove';
	frmEl['ordered_product'].value = orderedProductId;
	frmEl.submit();

}

function reloadBasketItem(orderedProductId) {

	var frmEl = document.forms['basket_reload'];
	var orderedCount = frmEl['stock['+orderedProductId+']'].value;

	if(orderedCount>100) {
		alert('Maximálny počet položiek jedného druhu je 100!');
	} else {
		frmEl['action_type'].value = 'reload';
		frmEl['ordered_product'].value = orderedProductId;
		frmEl.submit();
	}

}

function orderControl(obj,userType) {

	frmEl = obj.form;
	
	var billType = frmEl['uo_bill_type'];
	var billTypeValue;
	var deliverType = frmEl['uo_deliver_type'];
	var deliverTypeValue;
	var isDealer = ((userType*1)==2);
	
	if(billType[0].checked) {
		deliverType[0].disabled = false;
		if(!isDealer) deliverType[1].disabled = false;
		deliverType[2].disabled = false;
	}
	
	if(billType[1].checked) {
		deliverType[0].disabled = false;
		if(!isDealer) deliverType[1].disabled = false;
		deliverType[2].disabled = true;
		if(obj.name=='uo_bill_type' && deliverType[2].checked) {
			deliverType[0].checked = true;
		}
	}	
	
	if(billType[2].checked) {
		deliverType[0].disabled = true;
		if(!isDealer) deliverType[1].disabled = false;
		deliverType[2].disabled = false;
		if(obj.name=='uo_bill_type' && (deliverType[0].checked || deliverType[1].checked)) {
			deliverType[2].checked = true;		
		}
	}
	
	if(deliverType[0].checked) {
		frmEl['uo_deliver_street'].disabled = true;
		frmEl['uo_deliver_postal'].disabled = true;
		frmEl['uo_deliver_city'].disabled = true;
		frmEl['uo_deliver_time_from'].disabled = true;
		frmEl['uo_deliver_time_to'].disabled = true;
	} else {
		frmEl['uo_deliver_street'].disabled = false;
		frmEl['uo_deliver_postal'].disabled = false;
		frmEl['uo_deliver_city'].disabled = false;
		
		if(deliverType[1].checked) {
			frmEl['uo_deliver_time_from'].disabled = false;
			frmEl['uo_deliver_time_to'].disabled = false;		
		} else {
			frmEl['uo_deliver_time_from'].disabled = true;
			frmEl['uo_deliver_time_to'].disabled = true;
		}
		
	}
	
}

function checkOrder(obj,orderedPrice,userType,orderedIs) {

	try {

		if(!checkForm(obj)) {
			return false;
		}
		
		if(obj['uo_deliver_type'][1].checked) {
		
			var timeNumberFrom = (obj['uo_deliver_time_from'].value.substring(0,2) + obj['uo_deliver_time_from'].value.substring(3,5))*1;
			var timeNumberTo = (obj['uo_deliver_time_to'].value.substring(0,2) + obj['uo_deliver_time_to'].value.substring(3,5))*1;
				
			if(timeNumberFrom==0 || timeNumberTo==0) {
				alert('Nezadaný alebo nesprávne zadaný čas dodania tovaru!');
				return false;
			}
				
		}
		
		var isDealer = ((userType*1)==2);
		
		if(!orderedIs && obj['uo_deliver_type'][2].checked && (orderedPrice*1)<(isDealer ? 70 : 50)) {
			if(!confirm('Objednali ste tovar pod ' + (isDealer ? '70,00' : '50,00') + ' € bez DPH.\nK obednávke bude doúčtovaných 8,50 € bez DPH za balné a prepravné.\n\nPokračovať ?')) {
				return false;
			}
		}
		
		if(!isDealer && !orderedIs && obj['uo_deliver_type'][1].checked && (orderedPrice*1)<50) {
			alert('Objednali ste tovar pod 50,00&euro; bez DPH.\nProsíme Vás o doobjednanie tovaru do tejto hodnoty!');
			return false;
		}
	
		obj['action'].value = 'send_order';
	
		return true;	
		
	} catch(e) {
		return false;
	}
	
}

function submitOrder(obj) {

	var frmEl = obj.form;
	var changedStockCount = 0;
	
	for(var i=0; i<frmEl.length; i++) {
		if(frmEl[i].type=='text') {
			if(frmEl[i].defaultValue!=frmEl[i].value) {
				changedStockCount++;
			}
		}		
	}
	if(changedStockCount>0) {
		if(!confirm('Neboli uložené zmeny v počte objednávaných položiek.\nPokračovať?')) {
			return false;
		}
	}

	showAppModule('basket_order');

}

function editPricelist(userId) {
	document.location = '?app_module=user_pricelist&u_id='+userId;
}

function exportItemsClick(el) {

	var buttonDisabled = true;
	var frmEl = el.form;

	if(el.name=='pc_id') {

		for(var i=0; i<frmEl.length; i++) {
			if(frmEl[i].type=='checkbox' && frmEl[i].id=='group_item_'+el.value) {
				frmEl[i].checked = el.checked;			
			}		
		}
		
	} else {

		var pcId = el.id.substr(11);
		var pcSelected = true;

		for(var i=0; i<frmEl.length; i++) {
			if(frmEl[i].type=='checkbox' && frmEl[i].id=='group_item_'+pcId) {
				if(!frmEl[i].checked) pcSelected = false;
			}
		}				
		
		for(var i=0; i<frmEl.length; i++) {
			if(frmEl[i].type=='checkbox' && frmEl[i].name=='pc_id' && frmEl[i].value==pcId) {
				frmEl[i].checked = pcSelected;
			}
		}
					
	}
	
	for(var x=0; x<frmEl.length; x++) {
		if(frmEl[x].type=='checkbox' && frmEl[x].name!='pc_id') {
			if(frmEl[x].checked) {
				buttonDisabled = false;
			}
		}
	}
	
	frmEl['export_selected'].disabled = buttonDisabled;
	
}

function expandExportItems(obj) {

	var exp = document.getElementById('group_'+obj.id);

	switch(exp.style.display) {
	
		case 'none' :
			
			obj.src = 'images/minus_symbol.gif';
			exp.style.display = 'block';
		
			break;
			
		case 'block' :
		
			obj.src = 'images/plus_symbol.gif';
			exp.style.display = 'none';
		
			break;
			
	}
	
}

function OnBlurTime(obj,allow_null) {

	var time_sep, str_allowed, arr, str, result, ch, hh, mm;
	time_sep = ':';
	str_allowed = '0123456789';
	str = obj.value;
	result = '';

	if (allow_null && str == '') {
		return true;
	}

	for (var i = 0; i < str.length; i++) {
		ch = str.charAt(i);

		if (str_allowed.indexOf(ch) >= 0) {
			result = result + ch;
		} else {
			result = result + time_sep;
		}
	}

	if (result.indexOf(time_sep) >= 0) {
		arr = result.split(time_sep);

		if (arr.length == 2) {
			hh = arr[0] * 1
			mm = arr[1] * 1
		} else {
			obj.focus();
			obj.select();
			return false;
		}
	} else {
		hh = result * 1;
		mm = 0;
	}

	if (hh > 23 || hh < 0 || mm > 59 || mm < 0) {
		obj.focus();
		obj.select();
		return false;
	}

	if (hh < 10) {
		result = '0' + hh + time_sep;
	} else {
		result = hh + time_sep;
	}

	if (mm < 10) {
		result = result + '0' + mm;
	} else {
		result = result + mm;
	}

	obj.value = result;
	
	return true;
	
}

function CheckDeliveryTime(obj) {

	if(OnBlurTime(obj)) {

		var frmObj		= obj.form;
		var timeFrom	= ((frmObj['uo_deliver_time_from'].value.substr(0,2)*1)*60) + (frmObj['uo_deliver_time_from'].value.substr(3,2)*1);
		var timeTo		= ((frmObj['uo_deliver_time_to'].value.substr(0,2)*1)*60) + (frmObj['uo_deliver_time_to'].value.substr(3,2)*1);
		var lastValue	= obj.getAttribute('lastvalue');
		
		if(timeFrom>=timeTo) {
			alert('Čas do musí byť väčší ako čas od!');
			obj.value = lastValue;
			obj.focus();
			obj.select();
			return false;
		}
		
		if(timeFrom<480 || timeTo>1080) {
			alert('Čas dodania musí byť v rozpätí medzi 8:00 a 18:00!');
			obj.value = lastValue;
			obj.focus();
			obj.select();
			return false;
		}
		
		if((timeTo-timeFrom)<240) {
			alert('Minimálny rozdiel medzi časmi sú 4 hodiny!');
			obj.value = lastValue;
			obj.focus();
			obj.select();
			return false;
		}
		
		obj.setAttribute('lastvalue',obj.value);
		return true;
		
	} else {
		return false;
	}
	
}

function isDate(obj, str_date) {

	var result, arr, dd,mm,yy, year, separator;
	
	var d = new Date();
	year = d.getFullYear();

	separator = '.';
	arr = str_date.split(separator);

	if (arr.length != 3) {
		if (arr.length == 2) {
			arr[2] = year;
		} else {
			return false;
		}
	}

	if (arr[0].length == 0 || arr[1].length == 0 || arr[2].length == 0) {
		return false;
	}

	dd = arr[0] * 1;
	mm = arr[1] * 1;
	yy = arr[2] * 1;

	switch (mm) {
	case 1:
	case 3:
	case 5:
	case 7:
	case 8:
	case 10:
	case 12:
		if (dd <= 0 || dd > 31) {
			return false;
		}
		break;
	case 4:
	case 6:
	case 9:
	case 11:
		if (dd <= 0 || dd > 30) {
			return false;
		}
		break;
	case 2:
		if ((yy % 4) == 0) {
			if (yy % 100 == 0 && yy % 400 != 0) {
				if (dd <= 0 || dd > 28) {
					return false;
				}
			} else {
				if (dd <= 0 || dd > 29) {
					return false;
				}
			}
		} else {
			if (dd <= 0 || dd > 28) {
				return false;
			}
		}
		break;
	default:
		return false;
	}

	if (obj == null) {
		return true;
	}

	if (typeof(obj.value) != 'undefined') {
		dd = dd + '';
		mm = mm + '';

		if (dd.length < 2) {
			for (var i = dd.length; i < 2; i++) {
				dd = '0' + dd;
			}
		}

		if (mm.length < 2) {
			for (i = mm.length; i < 2; i++) {
				mm = '0' + mm;
			}
		}

		switch (arr[2].length) {
		case 1:
			yy = '200' + arr[2];
			break;
		case 2:
			if (yy <= 50) {
				yy = '20' + arr[2];
			} else {
				yy = '19' + arr[2];
			}
			break;
		case 3:
			yy = '0' + yy;
			break;
		}

		result = dd + separator + mm + separator + yy;
		obj.value = result;
	}
	
	return true;
	
}

function OnBlurDate(obj, allow_null) {

	var dat_sep, str_allowed, str_pom, str, result, ch, year;
	dat_sep = '.';
	str_allowed = '0123456789';
	str = obj.value;
	result = '';

	if (allow_null && str == '') {
		return true;
	}

	for (var i = 0; i < str.length; i++) {
		ch = str.charAt(i);
		if (str_allowed.indexOf(ch) >= 0) {
			result = result + ch;
		} else {
			result = result + dat_sep;
		}
	}

	if (!isDate(obj, result)) {
		setTimeout("document.getElementById('"+obj.id+"').focus();",1);
		setTimeout("document.getElementById('"+obj.id+"').select();",1);
		return false;
	} else {
		return true;
	}
	
}

function showProductImage(productId) {
	window.open('image.php?p_id='+productId,'productInfo','toolbar=no,location=no,resizable=no,scrollbars=no,status=no,width=300,height=300');
}

function switchLinkType(obj) {

	var frmObj = obj.form;
	var linkType = obj.value*1;
	
	frmObj['link_url'].disabled = (linkType!=1);
	frmObj['pc_id'].disabled = (linkType!=2);

}

function switchImageType(obj) {

	var frmObj = obj.form;
	var imageType = obj.value*1;
	
	frmObj['userfile'].disabled = (imageType!=2);

}

function toggleElement(elementName, hide) {
	if (document.layers) {
		document.layers[elementName].visibility = (hide ? 'hide' : 'show');
		document.layers[elementName].display = (hide ? 'none' : '');
	} else if (document.all) {
		document.all[elementName].style.visibility = (hide ? 'hidden' : 'visible');
		document.all[elementName].style.display = (hide ? 'none' : '');
	} else if (document.getElementById) {
		document.getElementById(elementName).style.visibility = (hide ? 'hidden' : 'visible');
		document.getElementById(elementName).style.display = (hide ? 'none' : '');
	}
}

function showNewsItem(itemId) {
	
	toggleElement('newsItemPlus'+itemId,true);
	toggleElement('newsItemMinus'+itemId,false);
	toggleElement('newsItemContent'+itemId,false);
	
}

function hideNewsItem(itemId) {

	toggleElement('newsItemPlus'+itemId,false);
	toggleElement('newsItemMinus'+itemId,true);
	toggleElement('newsItemContent'+itemId,true);
	
}