window.onload = function () {
	
	var tags = [];
	var inputs = document.getElementsByTagName ( 'input' );
	var textareas = document.getElementsByTagName ( 'textarea' );
	
	var captions = {};
	
	for (var zxc0=0;zxc0<inputs.length;zxc0++){
		tags.push(inputs[zxc0]);
	}
	for (var zxc1=0;zxc1<textareas.length;zxc1++){
		tags.push(textareas[zxc1]);
	}

	for ( i = 0; i < tags.length; i++ ) {
		var el = tags [ i ];
		
		if ( el.type === 'text' || el.type === 'password' || el.tagName.toLowerCase () === 'textarea' ) {
			captions [ el.name ] = el.value;
			
			el.onfocus = function (e) {
				
				if ( this.value === captions [ this.name ] ) {
					this.value = '';
				}
			
			}
			
			el.onblur = function (e) {
			
				if ( this.value === '' ) {
					this.value = captions [ this.name ];
				}
				
			}
			
		}
		
	}
	
	

};