/**
	 *imageId   根菜单项的图片<img>的ID名              
	 *ipathOver 根菜单项的图片<img>选择状态时的图片路径
	 *ipathOut  根菜单项的图片<img>离开状态时的图片路径
	 *subMenuItems 子菜单的文本内容集,包含一个数组['text','链接的url']
	 *itemWidth  子菜单中的子项的宽度
	 *itemHeight 子菜单中的子项的高度
	 **/
	var imageId,ipathOver,ipathOut,subMenuItems,itemWidth,itemHeight;
	

	/**
	 *id 根菜单项的ID名
	 *iframId   根菜单页面所在的iframeID名
	 */
	function getChildContent(id,iframeId){

		var content;
		var chlidName = id+"ChildContent";
		setSubMenuParam(id);
	
		content ='<div onmouseover="displayMenu();changeRootImage(\''+iframeId+'\',\''+imageId+'\',\''+ipathOver+'\')" onmouseout="hiddenMenu();changeRootImage(\''+iframeId+'\',\''+imageId+'\',\''+ipathOut+'\');">'
					+ '<IFRAME src="" scrolling="no"  style="position:absolute; left:0px; top:0px; width:100%; height:100%; z-index:1; border-style:none; display:block; filter: alpha(opacity=0);"></IFRAME>' 
				 	+ '<table border=0  cellspacing=0 cellpadding=0 style="position:relative; z-index:2;">';
		//alert('subMenuItems.length-->'+subMenuItems.length);	
		content = content + '<tr height=\''+blankHeight+'\'><td height=\''+blankHeight+'\'></td></tr>'
		
		for(var i=1;i<=subMenuItems.length;i++){
			var idName = buildIdName(id,i);
			var imgIdN = buildimgIdName(id,i);
			var cont = ''+subMenuItems[i-1][0];
			
			content = content+'<tr>'
		 			+'<td height='+itemHeight+'>'
		 			+'<div id ="'+idName+'" onclick=\"window.location.href=\''+subMenuItems[i-1][1]+'\'\" style="cursor: pointer;background-color:'+subMenuBgColor+' ;" name="'+idName+'" onmouseover="changeIcon(\''+imgIdN+'\',\'show\');changeBgColor(\''+idName+'\',\''+subMenuBgColorO+'\')" onmouseout="changeIcon(\''+imgIdN+'\',\'hidden\');changeBgColor(\''+idName+'\',\''+subMenuBgColor+'\')">'
		 			+'<table height='+itemHeight+' width="'+itemWidth+'" >'
							+'<tr><td width="'+subItemIconWidth+'">'
							+'<img id="'+imgIdN+'"  name="'+imgIdN+'" src="'+subItemIconPath+'" style="visibility:hidden" >'
							+'</td>'
							+'<td class="'+menuTextClass+'">'
							+cont
							+'</td>'
							+'</tr>'
					+'</table>'
					+'</div>'
					+'</td>'
		 		+'</tr>';
		 			
		 	if(i!=subMenuItems.length){//最后一项不加白色分隔线（图片）	
		 		content = content+'<tr ><td><table border=0  cellspacing=0 cellpadding=0 ><tr><td ><img width="'+itemWidth+'" src="'+linePath+'"/></td></tr></table></td></tr>';
		 	}
	 	}	 		
		content = content 
					+ '</table>'
				 	+ '</div>';
		//alert(content);
		//parent.document.getElementById("tarea").innerText=content;
		return content;
	}

	function buildIdName(id,i){
		
		var res;
		res=id+'_'+i;
		return res;
	}
	
	function buildimgIdName(id, i){
		var res;
		res=buildIdName(id,i)+'_img';
		return res;
	}
	
	//id 根菜单项的ID名
	function setSubMenuParam(id) {
		
		var params = settingContent(id);
		
		this.imageId=params[0];//根菜单项的图片<img>的ID名   
		this.ipathOver=params[1];//根菜单项的图片<img>选择状态时的图片路径
		this.ipathOut=params[2];//根菜单项的图片<img>离开状态时的图片路径
		this.subMenuItems=params[3];//子菜单的文本内容集,包含一个数据['text','链接的url']
		this.itemWidth=params[4];
		this.itemHeight=params[5];
		
	 	
	}