/*
JavaScript validate function
Author: Peter Tornstrand <peter[at]tornstrand.com>
Date: 2001-02-09
Version: 1.1
*/

function validateForm(frm, bolAlert) {
  var elem = frm.elements;
  // Loop all elements
  for (var i = 0; i < elem.length; ++i) {
    // If element is required see if it's filled in
    
    // Check for special condition
    
    
    if (elem[i].name.indexOf("*") > 1) {
    // Text
      if (elem[i].type=="text") {
        if (elem[i].value==""&&elem[i].style.display!="none") {
          elem[i].className = "text_err";
          if(bolAlert) alert("You must enter "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
          elem[i].className = "text";
        }
      }
      else if (elem[i].type=="radio") {
      // Radio
        var radiogroup = elem[elem[i].name];
        var itemchecked = false;
        for(var j = 0 ; j < radiogroup.length ; ++j) {
          if(radiogroup[j].checked) {
            itemchecked = true;
            break;
          }
        }
      
        if(!itemchecked) { 
          if(bolAlert) alert("You must check one option for "+elem[i].name);
          if(elem[i].focus) elem[i].focus();
          return false;
        }
      }
      else if (elem[i].type=="checkbox") {
      // Checkbox
        var itemchecked = false;
        var elems = document.getElementsByTagName("input");
        for(var j = 0; j < elems.length; ++j) {
        	if(elems[j].type=="checkbox"&&elems[j].id==elem[i].id) {
        		if(elems[j].checked) {
        			itemchecked = true;
        			break;
        		}
        	}
        }
      
        if(!itemchecked) { 
          if(bolAlert) alert("You must check atleast one option for "+elem[i].name);
          if(elem[i].focus) elem[i].focus();
          return false;
        }
      }
      else if (elem[i].type=="textarea") {
      // Textarea
        if (elem[i].value=="") {
          elem[i].className = "textarea_err";
          if(bolAlert) alert("You must enter "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
          elem[i].className = "textarea";
        }
      }
      else if (elem[i].type=="select-one") {
      // Select-one
        if (elem[i].selectedIndex==0) {
          elem[i].className = "select_err";
          if(bolAlert) alert("You must choose "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
        	elem[i].className = "select";
        }
      }
      else if (elem[i].type=="select-multiple") {
      // Select-multiple
      	var optionselected = false;
      	for(var j=0;j<elem[i].options.length; ++j) {
      		if (elem[i].options[j].selected) {
      			optionselected = true;
      			break;
      		}
      	}
      	if (!optionselected) {
          elem[i].className = "select_err";
          if(bolAlert) alert("You must select at least one option for "+elem[i].name);
          elem[i].focus();
          return false;
        } else {
        	elem[i].className = "select";
        }
      }
    }
  }
  return true;
}

function gotFocus(elem) {
	if (elem.className.indexOf("_err") < 0) {
		if (elem.type=="text") {
			elem.className = "text_focus";
		} else if (elem.type=="textarea") {
			elem.className = "textarea_focus";
		} else if (elem.type=="select-one") {
			elem.className = "select_focus";
		} else if (elem.type=="select-multiple") {
			elem.className = "select_focus";
		}
	}
}

function lostFocus(elem) {
	if (elem.className.indexOf("_err") < 0) {
		if (elem.type=="text") {
			elem.className = "text";
		} else if (elem.type=="textarea") {
			elem.className = "textarea";
		} else if (elem.type=="select-one") {
			elem.className = "select";
		} else if (elem.type=="select-multiple") {
			elem.className = "select";
		}
	}
}

function elemCond(elem, val, id, req) {
	var justDoIt = false;
	
	if (elem.type=="select-one") {
		if (elem[elem.selectedIndex].value==val) justDoIt = true;
	}
	else if (elem.type=="select-multiple") {
		for(var j=0;j<elem.options.length; ++j) {
      		if (elem.options[j].selected) {
      			if (elem.options[j].value==val) justDoIt = true;
      		}
      	}
	}
	else if(elem.type=="radio"||elem.type=="text"||elem.type=="textarea"||elem.type=="checkbox") {
		if (elem.value==val) justDoIt = true;
	}
	
	if (justDoIt) {
		var frm = document.forms;
		for (var i=0;i<frm.length; i++) {
			for (var j=0;j<frm[i].length; j++) {
				var ele = frm[i].elements[j];
				if (ele.id==id) {
					if (req) { ele.name = id+'*'; } else { ele.name = id; }
				}
			}
		}
	}
}