var timerId = 0;
timerId = setInterval(function () {
	photo_ad_hns();
}, 100);

function photo_ad_hns(type){
	var element_start = "#header";
	var element_div = "#articlebody";
	//var element_div = "#article";
	var element = "#article_content";
	var element_img = "#article_content img";
	
	
    min_ad_wid = "233";
    ad_close_width = "20";
    margin_ad_hei = "70";
    
	big_ad_wid = "468";
    big_ad_hei = "60"; 
    tiny_ad_wid = "234";
	tiny_ad_hei = "60";
	
	big_ad_url    = "http://ad.ad4989.co.kr/cgi-bin/PelicanC.dll?impr?pageid=00PT&out=iframe";
    tiny_ad_url = "http://ad.ad4989.co.kr/cgi-bin/PelicanC.dll?impr?pageid=00PS&out=iframe";
    
     jQuery(element_start).each(function(index) {
        start_offset = jQuery(this).offset(); 
        start_offset_top = start_offset.top;
        start_offset_left = start_offset.left;
	});
    
    jQuery(element_div).each(function(index) {
        div_wid = jQuery(this).width();
        div_hei = jQuery(this).height();

        div_offset = jQuery(this).offset(); 
        div_offset_top = div_offset.top;
        div_offset_left = div_offset.left;
	});
	
	jQuery(element).each(function(index) {
        wid = jQuery(this).width();
        hei = jQuery(this).height();

        offset = jQuery(this).offset(); 
        offset_top = offset.top;
        offset_left = offset.left;
	});
	
	clearInterval(timerId);

	jQuery(element_img).each(function(index) {
		if(index == 0) {
	        photo_wid = jQuery(this).width();
	        photo_hei = jQuery(this).height();

	        photo_offset = jQuery(this).offset(); 
	        photo_offset_top = photo_offset.top;
	        photo_offset_left = photo_offset.left;
	        
	        if(photo_wid > big_ad_wid) {
				ad_wid = big_ad_wid;
				ad_hei = big_ad_hei;
				ad_url = big_ad_url;
			} else {
				ad_wid = tiny_ad_wid;
				ad_hei = tiny_ad_hei;
				ad_url = tiny_ad_url;
			}

			if(div_offset_top > 500){
				ad_pos_diff = 230;
			} else if(div_offset_top < 500 && div_offset_top >= 400){
				ad_pos_diff = 190;
			} else if(div_offset_top < 400 && div_offset_top >= 300){
				ad_pos_diff = 60;
			} else if(div_offset_top < 300 ){
				ad_pos_diff = 20;
			}

	        position_top = (start_offset_top + div_offset_top ) + photo_hei - ad_hei - 10 - ad_pos_diff;
	        position_left = (photo_offset_left - start_offset_left)+ photo_wid - ad_wid - (photo_wid-ad_wid)/2;
	        
	        close_top = position_top;
	        close_left = position_left + parseInt(ad_wid) - 10;
        
        	if(photo_wid > min_ad_wid){
	            jQuery("<div id='mask_ad_"+index+"' class='mask_div' style='position:absolute;left:" + position_left + "px;top:" + position_top +"px; z-index:1000;'><IFRAME FRAMEBORDER=0 MARGINWIDTH=0 MARGINHEIGHT=0 SCROLLING=NO WIDTH=" + ad_wid + " HEIGHT=" + ad_hei + " SRC='"+ad_url+"'></IFRAME></div>").appendTo(element); 
				
				jQuery("<div id='mask_ad_close_"+index+"' class='mask_div' style='cursor: hand; position:absolute;left:"+close_left+"px;top:"+close_top+"px;z-index:2000;'><img src='http://js.hnscom.com/etc/hns/black_x.png' onclick='photo_ad_close("+index+")' style='border-right:0px; width:10px; height:10px'></div>").appendTo(element);
			}
		}		
	});
}

function photo_ad_close(index){      
    jQuery('#mask_ad_'+index).hide();
    jQuery('#mask_ad_close_'+index).hide();
};