function CheckEnterKey(e,obj)
	{ //e is event object passed from the function
		var characterCode //literal character code will be stored in this variable
		if(e && e.which){ //if which property of event object is supported (NN4)
			e = e
			characterCode = e.which //character code is contained in NN4's which property
		}
		else{
			e = event
			characterCode = e.keyCode //character code is contained in IE's keyCode property
		}
		if(characterCode == 13){ //if generated character code is equal to ascii 13 (if enter key)
			CheckSearch(obj);// document.forms[0].submit() //submit the form
			return false;
		}
		else{
			return true;
		}
	}
	
function CheckSearch(objText)
{
if(objText.value.length < 4)
{
alert("نص البحث يجب أن يكون 3 أحرف على الاقل");
return false;
}
else
window.location ="/search.aspx?keywords=" + objText.value + "&keyword=" + objText.value; 
/*return true;*/
}