/**
 * @author tarini
 */
function getwindowheight() { 
	var windowHeight = 0; 
	if (typeof(window.innerHeight) == 'number') { 
		windowHeight = window.innerHeight; 
	} else { 
		if (document.documentElement && document.documentElement.clientHeight) { 
			windowHeight = document.documentElement.clientHeight; 
		} else { 
			if (document.body && document.body.clientHeight) { 
				windowHeight = document.body.clientHeight; 
			} 
		} 
	} 
	return windowHeight; 
} 

function getwindowwidth() {
	windowWidth = 0;
    if (typeof(window.innerHeight) == 'number') { 
    	windowWidth = window.innerWidth;
	} else { 
		if (document.documentElement && document.documentElement.clientWidth) { 
			windowWidth = document.documentElement.clientWidth; 
		} else { 
			if (document.body && document.body.clientWidth) { 
				windowWidth = document.body.clientWidth; 
			} 
		} 
	} 
	return windowWidth;
}

function trim(str) {
	return str.replace(/^s+/, '').replace(/s+$/, '');
}