String.prototype.trim = function()	{
				
				a = this
				
				var search = 0
				while ( a.charAt(search) == " "){
						search = search + 1
				}

				a = a.substring(search, (a.length))
				search = a.length - 1
				while (a.charAt(search) ==" ") {
							search = search - 1
				}
				return a.substring(0, search + 1)
			}