function iFrame(height, width){			
					this.append = function(url){
                        jQuery("body").append('<div class="over" style=" position: absolute;"><iframe src="'+url+'" frameborder="0" height="'+height+'px" width="'+width+'px" scrolling="no" marginheight="0" marginwidth="0" name="iframe" allowtransparency="true"></iframe></div>');
						
						this.position();
						
                    }
					
					// Método para realizar posicionamento
					this.position = function(){
						var viewportHeight =(self.innerHeight || (document.documentElement.clientHeight || (document.body.clientHeight || 0))); // Grava a altura do viewport
						var viewportWidth =(self.innerWidth || (document.documentElement.clientWidth || (document.body.clientHeight || 0))); // Grava a largura do viewport
						if(viewportHeight < 588){
							viewportHeight = 588;
						}
						if(viewportWidth < 992){
							viewportWidth = 992;
						}
						var coords = new Array(); //vetor para coordenadas left e top, nesta ordem
						coords[0] = Math.floor(((viewportWidth - width)/2) + 154); // coodernada horizontal (left)
						if(viewportHeight <= 650){
							coords[1] = Math.floor(((viewportHeight - height)/2) + 30); // coodernada vertical (top)							
						}
						else{
							coords[1] = Math.floor(((viewportHeight - height)/2) - 21); // coodernada vertical (top)	
						}

						jQuery(".over").css('left', coords[0]).css('top', coords[1]);
						jQuery(window).resize(function(){					 
								var viewportHeight =(self.innerHeight || (document.documentElement.clientHeight || (document.body.clientHeight || 0))); // Grava a altura do viewport
								var viewportWidth =(self.innerWidth || (document.documentElement.clientWidth || (document.body.clientHeight || 0))); // Grava a largura do viewport
								//alert(viewportHeight);
								var coords = new Array(); //vetor para coordenadas left e top, nesta ordem
								if(viewportHeight < 588){
									viewportHeight = 588;
									coords[1] = 75; // coodernada vertical (top)
								}
								else{
									
									coords[1] = Math.floor(((viewportHeight - height)/2) - 21); // coodernada vertical (top)
									if(coords[1] <= 89){
										coords[1] = 74;
									}
								}
								if(viewportWidth < 992){
									viewportWidth = 992;
									coords[0] = Math.floor(((viewportWidth - width)/2) + 154); // coodernada horizontal (left)
								}
								else{
									coords[0] = Math.floor(((viewportWidth - width)/2) + 154); // coodernada horizontal (left)
								}
								
								if(viewportHeight <= 650){
									coords[1] = Math.floor(((viewportHeight - height)/2) + 30); // coodernada vertical (top)							
								}
								else{
									coords[1] = Math.floor(((viewportHeight - height)/2) - 21); // coodernada vertical (top)	
								}
								
								//alert(coords[1]);
								jQuery(".over").css('left', coords[0]).css('top', coords[1]);
						});
					}
					
					
					
					this.remove = function(){
						jQuery('.over').fadeOut('slow').remove();
					}
                }
				
                
				var page = new iFrame("416", "563");