function modal(src){
	var div_background = document.createElement('div')		
		/*CLASS*/
		div_background.className = 'modal_box';
		
		/*STYLES*/
		div_background.style.opacity = 0.5;
		div_background.style.filter = "alpha(opacity=" + 50 + ")";

	var div_modal = document.createElement('div')		
		div_modal.className = 'modal';


	var iframe = document.createElement('iframe')					
		iframe.src = src;
		
		document.body.appendChild(div_background)
		document.body.appendChild(div_modal)
		div_modal.appendChild(iframe)				
	
		div_background.onclick = function(){
			div_modal.style.display = "none";
			this.style.display = "none";			
		}		
}