function openImage(title, image, image_wid, image_hei ){
	
	if( image.indexOf("http") != -1 ){
		
		// link is external
		var temp_arr = image.split("http");
		window.open("http"+temp_arr[1]);
	}else{
		
		// open image gallery
		$('display_pic_masc_title').update(title);
		$('display_pic_masc_img').update("<img  src='"+image+"' width='"+image_wid+"' height='"+image_hei+"' />");
		document.body.style.overflow = "hidden";
	
		if (window.pageYOffset){
			scrollTop = window.pageYOffset;
		}else{
			scrollTop = Math.max(document.body.scrollTop, document.documentElement.scrollTop);
		}
		$('display_pic_masc').setStyle({
			top: scrollTop+'px'
		});
		$('display_pic_masc').show();	$('display_pic_masc_title').update(title);
		$('display_pic_masc_img').update("<img  src='"+image+"' width='"+image_wid+"' height='"+image_hei+"' />");
		document.body.style.overflow = "hidden";
	
		if (window.pageYOffset){
			scrollTop = window.pageYOffset;
		}else{
			scrollTop = Math.max(document.body.scrollTop, document.documentElement.scrollTop);
		}
		$('display_pic_masc').setStyle({
			top: scrollTop+'px'
		});
		$('display_pic_masc').show();
		
	}
	
	

}

function closeImage(){
	$('display_pic_masc').hide()
	document.body.style.overflow = "";
}