var is_opera =  navigator.userAgent.indexOf('Opera') > -1;
var is_safari = navigator.userAgent.indexOf('AppleWebKit/') > -1;
var is_chrome = navigator.userAgent.indexOf('Chrome') > -1;
var is_firefox = navigator.userAgent.indexOf('Firefox') > -1;
var is_mac = navigator.platform.toLowerCase().indexOf('mac') > -1;
var is_linux = navigator.platform.toLowerCase().indexOf('linux') > -1;
var browser_ie6 = false;
var browser_ie7 = false;
var browser_ie8 = false;

var table_rows = {
    items: [],
    
    setup: function() {
        if(!jQuery("#main-content")) return;
        this.items = jQuery("#main-content table");
        var il = this.items.length;
	
        for(var i = 0; i < il; i++) {
            var current_table = this.items[i];
            var trs = jQuery("tr", current_table);
	    
            var jl = trs.length;
            for(var j = 0; j < jl; j++) {
                if(j % 2 == 0) { 
                    jQuery(trs[j]).addClass('odd');  
                } else {
                    jQuery(trs[j]).addClass('even');
                }
            }
        }
        
    }
}


var search_form = {
    container: null,
    default_text: null,

    setup: function() {
    this.container = jQuery('#search-container input')[0];
    this.container.value = elmPretraga;
	this.default_text = this.container.value;
	
	jQuery(this.container).bind('focus', function() {
	    if(this.value == search_form.default_text) {
		this.value = '';
	    }
	});

	jQuery(this.container).bind('blur', function() {
	    if(this.value == '') {
		this.value = search_form.default_text;
	    }
	});
   }
}

var tools = {
    setup: function() {
	
	var font_size_links = jQuery('#tools ul a');
	
	jQuery(font_size_links).bind('click', function(event) {
	     event.preventDefault();
	     var parent_li = jQuery(event.target).parent('li');
	     setActiveStyleSheet(jQuery(parent_li).attr('class') + '-fonts');
	});
	
	var print_link = jQuery('#print-link a')[0];
	jQuery(print_link).bind('click', function(event) {
	     event.preventDefault();
	     window.print();
	});	
    }    
}

jQuery(document).ready(function() {
    if(typeof table_rows == 'object') {
        table_rows.setup();
    }
 
    if(typeof search_form == 'object') {
        search_form.setup();
    }

    if(typeof tools == 'object') {
        tools.setup();
    }

    if(browser_ie6) {
	var hover_elements = jQuery('#navigation li');
	jQuery(hover_elements).map(function(){
	    jQuery(this).bind('mouseover', function(event) {
		jQuery(this).addClass('over');
	    });	

	    jQuery(this).bind('mouseout', function(event) {
		jQuery(this).removeClass('over');
	    });	
	});
    }  
});