function confirm_delete(message){
	var ans = confirm(message); 
	if(!ans) 
		return false;
	return true;	
}

function reset_login_form(elid){
	document.getElementById(elid).value = "";
}




	function check_req(value){
		if(value == 2){
		
			document.getElementById('afm_class').innerHTML = ' *';
			
	/*		
			var newspan = document.createElement("span");
			newspan.innerHTML = ' *';
			var container = document.getElementById("afm_class");
			container.appendChild(newspan);
	*/		
			
			
			
			document.getElementById('doy_class').innerHTML = ' *';
			document.getElementById('comp_class').innerHTML = ' *';		
			document.getElementById('job_class').innerHTML = ' *';
		}
		else{
			document.getElementById('afm_class').innerHTML = '';
			document.getElementById('doy_class').innerHTML = '';
			document.getElementById('comp_class').innerHTML = '';		
			document.getElementById('job_class').innerHTML = '';
		}	
	}
	
	
	function set_same_val(field, value){
		if(!document.getElementById(field).value){
			document.getElementById(field).value = value;
		}	
	}


	function check_req2(value){
		if(!value){
			document.getElementById('name2').innerHTML = ' *';
			document.getElementById('surname2').innerHTML = ' *';
		//	document.getElementById('pref2').innerHTML = ' *';
			document.getElementById('city2').innerHTML = ' *';
			document.getElementById('city2').innerHTML = ' *';
			document.getElementById('addr2').innerHTML = ' *';
			document.getElementById('pc2').innerHTML = ' *';
			document.getElementById('phone2').innerHTML = ' *';	
		}
		else{
			document.getElementById('name2').innerHTML = '';
			document.getElementById('surname2').innerHTML = '';
		//	document.getElementById('pref2').innerHTML = '';
			document.getElementById('city2').innerHTML = '';
			document.getElementById('city2').innerHTML = '';
			document.getElementById('addr2').innerHTML = '';
			document.getElementById('pc2').innerHTML = '';
			document.getElementById('phone2').innerHTML = '';			
		}	
	}









function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    createCookie('working', 1, 365);
    var timer = 0; 

    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) { 
		    setTimeout("changeOpac(" + i + ",'" + id + "', '"+ opacEnd +"')",(timer * speed)); 
		    timer++; 
		}
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++){
            setTimeout("changeOpac(" + i + ",'" + id + "', '"+ opacEnd +"')",(timer * speed)); 
            timer++; 
        }
    } 
} 

//change the opacity for different browsers
function changeOpac(opacity, id, opacEnd) { 
	//createCookie('working', 1, 365);		        
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
    if(opacity == 0 && opacEnd == 0){
		document.getElementById(id).style.visibility = 'hidden';     	
		//alert(id);
    }
    if(opacity == opacEnd){
    	createCookie('working', 0, 365);
    	//alert('end');
    }	
	//createCookie('working', 0, 365);		        
    
}





//Cookies function
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}