Bookmarklet for Markdown Code Indenting

indent-textarea-selection-min.js

(function(){var a=document.activeElement,b=document.getSelection().toString(),c="",d=b.split("\n");indent="    ",i=0,total=d.length;if(b==""){return}for(i=0;i<total;i++){c+=indent+d[i]+"\n"}a.value=a.value.split(b).join(c)}())

indent-textarea-selection.js

(function() {
	var el = document.activeElement,
	    selection = document.getSelection().toString(),
	    result = "",
	    lines = selection.split("\n");
	    indent = "    ",
	    i = 0, total = lines.length;
	if (selection == "") {
		return;
	}
	for (i = 0; i < total; i++) {
		result += indent + lines[i] + "\n";
	}
	el.value = el.value.split(selection).join(result);
}());