function changeImage(img_id,image_name,source_path) {
	if (!(source_path!=undefined)) {
		source_path = '';
	}
	if (document[img_id]) { // Firefox
		document[img_id].src = source_path+image_name;
	} else {
		var obj = document.getElementById(img_id);
		obj.src = source_path+image_name;
//		alert(document.images[0].toString()) // + ' '+ obj.src);
	}
}
function checkZavazne(value) {
	if (value.checked) {
		return true;
	} else {
		alert('Tento produkt sa dá objednať len so súhlasom objednávateľa so zmluvnými podmienkami.\nProsím potvrďte tento súhlas.');
		return false;
	}
}

function zmazat(action) {
	if (window.confirm('Zmazať?')) {
		if (action!=false) {
			document.formular.action.value=action+'_del';
			document.formular.submit();
		}
		return true;
	} else {
		return false;
	}
}
function MakeFirst() {
	var change = false;
	if (opener_location!='') {
		window.opener.location = opener_location;
		window.opener.focus();
		window.close();
	} else {
		if (db_status!='') {
			alert(db_status);
		}
		if (return_path!='') {
			location = return_path;
		}
	}
}

var pict_main = new Array();
var pict_show = new Array();
pict_main[1] = new Image(); pict_main[1].src = 'gfx/pict1_main.jpg';
pict_show[1] = new Image(); pict_show[1].src = 'gfx/pict1_show.jpg';
pict_main[2] = new Image(); pict_main[2].src = 'gfx/pict2_main.jpg';
pict_show[2] = new Image(); pict_show[2].src = 'gfx/pict2_show.jpg';
pict_main[3] = new Image(); pict_main[3].src = 'gfx/pict3_main.jpg';
pict_show[3] = new Image(); pict_show[3].src = 'gfx/pict3_show.jpg';
pict_main[4] = new Image(); pict_main[4].src = 'gfx/pict4_main.jpg';
pict_show[4] = new Image(); pict_show[4].src = 'gfx/pict4_show.jpg';

function changeClass(where,which) {
	var obj = document.getElementById(where);
	if (obj) {
		obj.className = which;
	}
}

function popupinit() {
}
function login_focus() {
}
function checkvalue(obj) {
	checked = false;
	alert(obj.length);
	if (obj.length && obj.length>1) {
		for(j=0;j<obj.length;j++) {
			if (obj[j].checked) {
				checked = true;
			}
		}
	} else {
		if(obj.checked!=undefined) {
			checked = obj.checked;
		}
	}
	return checked;
}

function checkpovinne(pole,logoperation) {
	if (logoperation!='alebo') {
		logoperation = 'a';
	}
	var ret = false; // Pre logicku operaciu alebo
	var i;
	if (pole && pole.length>0) {
		var err = new Array();
		for(i=0;i<pole.length;i++) {
			if (pole[i] instanceof Array) {
				var checked = checkpovinne(pole[i],'alebo');
				if (!checked) {
			 		err = err + 'Empty all of '+pole[i].toString()+'\n';
		 		}
	 		} else {
				test = pole[i].split(":");
				if (test.length==1) {
					test[1]=test[0];
				}
				obj = eval('document.formular.'+test[0]);
				type = eval('obj.type');
				if (obj && type!=undefined && type!='checkbox') {
					checked = true;
		  			if (obj.value.length==0) {
		  				err = err + 'Empty: '+test[1]+'\n';
						obj.style.backgroundColor='pink';
						checked=false;
					}
					ret = ret || checked;
				} else {
					checked = checkvalue(obj);
					if (logoperation=='a') {
						if (!checked) {
							err = err + 'Empty: '+test[1]+'\n';
						}
					} else {
						ret = ret || checked;
					}
				}
			}
		}
		if (logoperation=='alebo') {
			return ret;
		} else {
			if (err.length>0) {
				alert(err);
				return false;
		 	} else {
				return true;
			}
		}
	} else {
		return true;
	}
}

var zindex = 10;
var menu_show = false;
var menus_show = false;
function show_menu(name,hide) {
	if (hide != true) {
		hide = false;
	}
	var obj = false;
	if (document.all) {
		var obj = eval('document.all.menu_' + name);
	} else if (document.getElementById) {
		var obj = document.getElementById('menu_'+name);
	}
	if (!hide) {
		if (menu_show!=false && name!=menu_show) {
			changeVisibility('menu_'+menu_show,true);
			changeClass('menu'+menu_show,'menu_main');
		}
		menu_show = name;
	}
	if (obj) {
		var timeout = 0;
		if (!hide) {
			obj.style.zIndex = zindex++;
			// Aby ked sa menu prekryvaju, aby nove bolo stale vyssie
		} else {
			timeout = 100;
			menu_show = false;
		}
 		setTimeout("changeVisibility('menu_"+name+"',"+hide+")",timeout);
	}
}
function enterToSubmit() {
	if (window.event && window.event.keyCode == 13 ) {
		document.formular.submit();
	}
}
function mainMenu(number,classname,showit) {
	var style='main';
	var src = pict_main[number].src;
	if (showit==true) {
		style = 'show';
		src = pict_show[number].src;
	}
	changeClass('main'+number.toString(),classname+'_'+style);
	var obj = document.getElementById('pict'+number.toString());
	if (obj) {
		if(document.images){
			document.images[9+number].src = src;
		}
	}
}
function changeDisplay(name,hide) {
	var visibility = "";
	if (hide) {
		visibility = "none";
	}
	if (document.all) {
		var obj = eval('document.all.' + name);
		if (obj) {
			obj.style.display = visibility;
		}
	} else {
		if (document.getElementById) {
			var obj = document.getElementById(name);
			if (obj) {
				obj.style.display = visibility;
			}
		}
	}
}
function submit_form(name_form) {
	var obj_form = eval('document.'+name_form);
	try {
		obj_form.submit();
	} catch (error) {
   		alert('Error submit: Is the path of all included files correct?');
	}
}