// JavaScript Document

// Retrieve get var from a query string 
function getVar(name)
         {
         get_string = document.location.search;         
         return_value = '';
         
         do { //This loop is made to catch all instances of any get variable.
            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)
            
         //Restores all the blank spaces.
         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 ShowHide(id) {


	if (document.getElementById(id).style.display== 'none') { 
			document.getElementById(id).style.display= 'block';

	} else if (document.getElementById(id).style.display=='block') {
		document.getElementById(id).style.display='none';
 	}
 
}

function ShowHideOnLoad(qsvar) {

var id = getVar(qsvar);

	if (document.getElementById(id).style.display== 'none') { 
			document.getElementById(id).style.display= 'block';

	} else if (document.getElementById(id).style.display=='block') {
		document.getElementById(id).style.display='none';
		
	}

	if (document.forms.length > 0) {
		document.forms[0].elements[0].focus();	
	}
}