// obrazky sipek
var arrowimages = {down:['downarrowclass', 'down.gif', 23], right:['rightarrowclass', 'right.gif']}

var jqueryslidemenu={
  animateduration: {over: 300, out: 100},

  buildmenu:function(menuid, arrowsvar){
  	jQuery(document).ready(function($){
  		var $mainmenu=$("#"+menuid+">ul")
  		var $headers=$mainmenu.find("ul").parent()
  		$headers.each(function(i){
  			var $curobj=$(this)
  			var $subul=$(this).find('ul:eq(0)')
  			this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
  			this.istopheader=$curobj.parents("ul").length==1? true : false
  			$subul.css({top:this.istopheader? this._dimensions.h+"px" : 0})
  			/*
  			$curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: arrowsvar.down[2]} : {}).append(
  				'<img src="'+ (this.istopheader? arrowsvar.down[1] : arrowsvar.right[1])
  				+'" class="' + (this.istopheader? arrowsvar.down[0] : arrowsvar.right[0])
  				+ '" style="border:0;" />'
  			)
  			*/
  			$curobj.hover(
  				function(e){
  					var $targetul=$(this).children("ul:eq(0)")
  					this._offsets={left:$(this).offset().left, top:$(this).offset().top}
  					var menuleft=this.istopheader? 0 : this._dimensions.w
  					menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft
  					if ($targetul.queue().length<=1) //if 1 or less queued animations
  						$targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).slideDown(jqueryslidemenu.animateduration.over)
  				},
  				function(e){
  					var $targetul=$(this).children("ul:eq(0)")
  					$targetul.slideUp(jqueryslidemenu.animateduration.out)
  				}
  			) // end hover
  		}) // end $headers.each()
  		$mainmenu.find("ul").css({display:'none', visibility:'visible'})
  	}) // end document.ready
  }
}

// ID "myslidemenu"
jqueryslidemenu.buildmenu("myslidemenu", arrowimages);