function tabSwitch(new_tab, new_content) {   
       
    document.getElementById('meeting').style.display = 'none';   
    document.getElementById('quotation').style.display = 'none';   
    document.getElementById('acceptance').style.display = 'none';
	document.getElementById('design').style.display = 'none';   
    document.getElementById('development').style.display = 'none';   
    document.getElementById('completion').style.display = 'none';
    document.getElementById(new_content).style.display = 'block';      
       
    document.getElementById('tab_1').className = '';   
    document.getElementById('tab_2').className = '';   
    document.getElementById('tab_3').className = '';  
	document.getElementById('tab_4').className = '';  
	document.getElementById('tab_5').className = '';  
	document.getElementById('tab_6').className = '';  
    document.getElementById(new_tab).className = 'active';
	
	document.getElementById('name').focus();
}