//id of the script tag
scriptId = 'refreshScript';

function loadPage(page, scriptId){
    head = document.getElementsByTagName('head').item(0)
	thisScriptId = document.getElementById(scriptId);
	//destroy before create:
	if (thisScriptId){ 
	    head.removeChild(thisScriptId);
	}
	//create:
	script = document.createElement('script');    		
	script.type = 'text/javascript';    		
	script.id = scriptId;
	symbol = '?';
	if (page.indexOf('?') !=- 1){
	    symbol = '&';
	}
	
	script.src = page+symbol+'nocashe='+Math.random()
    head.appendChild(script);
}