diff --git a/jquery.visible.js b/jquery.visible.js
index 745956a..de59394 100644
--- a/jquery.visible.js
+++ b/jquery.visible.js
@@ -11,7 +11,7 @@
      *       only accounts for vertical position, not horizontal.
      */
     var $w = $(window);
-    $.fn.visible = function(partial,hidden,direction){
+    $.fn.visible = function(partial,hidden,direction,pv){
 
         if (this.length < 1)
             return;
@@ -21,16 +21,24 @@
             vpWidth   = $w.width(),
             vpHeight  = $w.height(),
             direction = (direction) ? direction : 'both',
-            clientSize = hidden === true ? t.offsetWidth * t.offsetHeight : true;
+            clientSize = hidden === true ? t.offsetWidth * t.offsetHeight : true,
+            pvh = 0,
+            pvw = 0;
+
+        if (pv > 0) {
+            pvh = $t.height()*pv/100;
+            pvw = $t.width()*pv/100;
+        }
+
 
         if (typeof t.getBoundingClientRect === 'function'){
 
             // Use this native browser method, if available.
             var rec = t.getBoundingClientRect(),
-                tViz = rec.top    >= 0 && rec.top    <  vpHeight,
-                bViz = rec.bottom >  0 && rec.bottom <= vpHeight,
-                lViz = rec.left   >= 0 && rec.left   <  vpWidth,
-                rViz = rec.right  >  0 && rec.right  <= vpWidth,
+                tViz = (rec.top + pvh)    >= 0 && (rec.top + pvh)    <  vpHeight,
+                bViz = (rec.bottom - pvh) >  0 && (rec.bottom - pvh) <= vpHeight,
+                lViz = (rec.left + pvw)   >= 0 && (rec.left + pvw)  <  vpWidth,
+                rViz = (rec.right - pvw)  >  0 && (rec.right - pvw)  <= vpWidth,
                 vVisible   = partial ? tViz || bViz : tViz && bViz,
                 hVisible   = partial ? lViz || rViz : lViz && rViz;
 
@@ -56,6 +64,11 @@
                 compareLeft     = partial === true ? _right : _left,
                 compareRight    = partial === true ? _left : _right;
 
+            compareTop = compareTop + pvh;
+            compareBottom = compareBottom - pvh;
+            compareRight = compareRight - pvw;
+            compareLeft = compareLeft + pvw;
+
             if(direction === 'both')
                 return !!clientSize && ((compareBottom <= viewBottom) && (compareTop >= viewTop)) && ((compareRight <= viewRight) && (compareLeft >= viewLeft));
             else if(direction === 'vertical')