function insertEmail(obj) {
	
	switch(obj) 
	{
		case 'email1': 
		case 'email3': 
			var mail = 'company_splus'+'%'+(11+29)+'m'+'ail'+'.r'+'u'; 
		break;
		
		case 'email2':
		case 'email4':
			var mail = 'info'+'%'+(12+28)+'s'+'plus-web'+'.r'+'u'; 
		break;
		
		default: 
			var mail = 'company_splus'+'%'+(11+29)+'m'+'ail'+'.r'+'u'; 
		break;
	}

	var newHref = "mailto:"+mail;
	
	document.getElementById(obj).href=newHref;
	//top.location.href=newHref;
	void(0);
}