A portable terminal for sensing a touch input, comprising: a controller; and a touch screen, wherein the touch screen is configured to display a first portion of a web page and to receive a touch input via a touching object, wherein the received touch input is a proximity touch input or a direct touch input, wherein the controller is configured to recognize the touch input as being a direct touch input when the touching object directly touches the surface of the touch screen, and to recognize the touch input as being a proximity touch input when the touching object is located within a touch identification effective distance relative to the touch screen beyond a predetermined period of time, the proximity touch input being effective as long as the touching object remains within the touch identification effective distance, wherein the controller is configured, when the touch screen senses a proximity touch input at a predetermined position of the web page, to display a control window comprising a scroll bar with scroll box and to receive a control input for: changing the displayed first portion of the web page to a second portion of the web page which is different from the first portion, depending on movement of the touching object within the touch identification effective distance following a proximity touch input at the scroll box along the scroll bar, wherein the scroll box moves along the touching object; and changing the size of the displayed first portion of the web page from a first size to a second size, adjusting the second size of the displayed first portion of the web page according to vertical distance between the touching object and the scroll box while the touching object is located within the touch identification effective distance, wherein the control input is received when the touching object is located within the touch identification effective distance. a controller; and a touch screen, wherein the touch screen is configured to display a first portion of a web page and to receive a touch input via a touching object, wherein the received touch input is a proximity touch input or a direct touch input, wherein the controller is configured to recognize the touch input as being a direct touch input when the touching object directly touches the surface of the touch screen, and to recognize the touch input as being a proximity touch input when the touching object is located within a touch identification effective distance relative to the touch screen beyond a predetermined period of time, the proximity touch input being effective as long as the touching object remains within the touch identification effective distance, wherein the controller is configured, when the touch screen senses a proximity touch input at a predetermined position of the web page, to display a control window comprising a scroll bar with scroll box and to receive a control input for: changing the displayed first portion of the web page to a second portion of the web page which is different from the first portion, depending on movement of the touching object within the touch identification effective distance following a proximity touch input at the scroll box along the scroll bar, wherein the scroll box moves along the touching object; and changing the size of the displayed first portion of the web page from a first size to a second size, adjusting the second size of the displayed first portion of the web page according to vertical distance between the touching object and the scroll box while the touching object is located within the touch identification effective distance, wherein the control input is received when the touching object is located within the touch identification effective distance. changing the displayed first portion of the web page to a second portion of the web page which is different from the first portion, depending on movement of the touching object within the touch identification effective distance following a proximity touch input at the scroll box along the scroll bar, wherein the scroll box moves along the touching object; and changing the size of the displayed first portion of the web page from a first size to a second size, adjusting the second size of the displayed first portion of the web page according to vertical distance between the touching object and the scroll box while the touching object is located within the touch identification effective distance, wherein the control input is received when the touching object is located within the touch identification effective distance. changing the size of the displayed first portion of the web page from a first size to a second size, adjusting the second size of the displayed first portion of the web page according to vertical distance between the touching object and the scroll box while the touching object is located within the touch identification effective distance, wherein the control input is received when the touching object is located within the touch identification effective distance.