var allPageTags = new Array(); 

function doSomethingWithClasses(theClass)
{
	var allPageTags=document.getElementsByTagName("*");
	for (i=0; i<allPageTags.length; i++) {
		if (allPageTags[i].className==theClass) {
			allPageTags[i].style.display='none';
		}
	}
} 

function toggleVisibility(me){

	var nesnem = document.getElementById(me);
		if (nesnem.style.display=="none"){
			doSomethingWithClasses('gorunme');
			nesnem.style.display = "";
			}
		else 
			nesnem.style.display = "none";	
}