//get variable from url string
function MKPGetVar(name){
	get_string=document.location.search;         
	return_value='';
	do{
		name_index=get_string.indexOf(name + '=');
		if(name_index!=-1)
		{
			get_string=get_string.substr(name_index + name.length + 1, get_string.length - name_index);
			end_of_value=get_string.indexOf('&');
			if(end_of_value!=-1) value=get_string.substr(0, end_of_value);                
			else value=get_string;                
			
			if(return_value=='' || value=='') return_value += value;
			else return_value += ', ' + value;
		}
	} while(name_index!=-1)

	space=return_value.indexOf('+');
	while(space!=-1){ 
		return_value=return_value.substr(0, space)+' '+return_value.substr(space + 1, return_value.length);
		space=return_value.indexOf('+');
	}
	return(return_value);        
}

function MKPDelCookie(name){
	document.cookie=name+"=;expires=Thu, 01-Jan-1970 00:00:01 GMT;path=/";
}

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

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

function MKPCRGet(){
	var mkp_cr = MKPGetVar('mkp_cr');
	if(mkp_cr.length > 0) MKPSetCookie('mkp_cr', mkp_cr, 1);
}

function MKPCRSet(){
	var mkp_cr = MKPGetCookie('mkp_cr');
	if(mkp_cr != null){			
		frames['mkpIframeCR'].location.href = 'mkp_cr.html?mkp_cr='+mkp_cr;
		MKPDelCookie('mkp_cr');
	}
}